Best Discovery Library in 2026
- Products Evaluated
- 40
- Reviews Analyzed
- 42,375
- Avg PM Score
- 7.5
Our Top Picks for Discovery Library
The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.
Summary of the best Discovery Library of 2026
Women in Science and Technology: Katherine Johnson―The Story of a NASA Mathematician, Grades 1-3 Interactive Book With Illustrations, Vocabulary, Exte...
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Bright, engaging illustrations immediately catch a young reader's eye as they dive into the life of a true pioneer. This Discovery Library title turns the complex history of NASA into something accessible for children in grades one through three. Rather than just presenting a dry biography, the book functions as an interactive learning tool by weaving in specific vocabulary and extension activities that keep little minds engaged. At just 24 pages, it is the perfect length for a classroom read-aloud or a bedtime story that inspires curiosity about science and technology. It manages to pack a significant amount of historical importance into a digestible, colorful format that makes learning about Katherine Johnson feel like an adventure rather than a chore.
My Little Golden Book About Betty White
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Bedtime stories often need a little extra sparkle, and this tribute to a comedy legend does exactly that. I picked this up to see if a children's biography could actually capture the essence of such a massive icon, and it succeeds by keeping things simple and sweet. At just under four dollars, it is an incredibly accessible way to introduce younger readers to a life defined by kindness and humor. The format is classic, making it a perfect addition to a bedside reading routine or a quick gift for a fan of the late, great actress. It turns a legendary career into a digestible, heartwarming moment for kids.
Black Women in Science: A Black History Book for Kids (Biographies for Kids)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Most children's history books offer a narrow, one-dimensional view of scientific achievement, but Black Women in Science breaks that mold by centering voices that are too often left out of the standard curriculum. This Rockridge Press title serves as a vital bridge between historical necessity and engaging storytelling for young readers. Instead of just memorizing dates, kids get to connect with the real lives and groundbreaking discoveries of Black female pioneers. It is an essential addition to any home library or classroom, specifically designed to spark curiosity and representation in STEM. At a very accessible price point, it provides high-impact educational value that helps children see themselves in the future of science.
Dinosaur Lady: The Daring Discoveries of Mary Anning, the First Paleontologist (Women in Science Biographies, Fossil Books for Kids, Feminist Picture...
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Children’s history books often overlook the groundbreaking women who shaped our understanding of the natural world, leaving a massive gap in science education. Dinosaur Lady fills this void by bringing the life of Mary Anning to the forefront of the paleontological narrative. This biography doesn't just teach kids about fossils; it introduces them to the grit and curiosity required to become a pioneer in a male-dominated field. As a part of the Women in Science series from Sourcebooks Explore, it serves as both an engaging educational tool and an inspiring gift for young explorers. It transforms a historical figure into a relatable hero, making complex scientific discoveries feel accessible and exciting for a younger audience.
Herstory: 50 Women and Girls Who Shook Up the World (Stories That Shook Up the World)
Herstory: 50 Women and Girls Who Shook Up the World
Reviews for SIMON & SCHUSTER BOOKS FOR YOUNG READERS (PM Score)
9.9 PM Score| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
History books often feel like a closed loop of the same few names, but Herstory breaks that cycle by spotlighting the voices that were nearly silenced. Published by Simon & Schuster Books for Young Readers, this collection moves beyond the standard textbook narrative to present fifty distinct accounts of female influence. Instead of a dry timeline, you get a series of impactful stories that illustrate how women and girls have fundamentally altered the course of human events. It is a refreshing departure from traditional historical accounts, making it an essential addition to any young reader's library. At just over eleven dollars, it serves as an affordable yet deeply empowering tool for anyone looking to understand the true breadth of global change.
My Little Golden Book About Dolly Parton
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Bedtime routines just got a significant dose of inspiration and charm with this tiny treasure. I found myself reaching for this book during a quiet evening reading session, realizing how much a simple, well-told story can captivate a young listener. Even though it is compact, the narrative surrounding Dolly Parton’s life offers a meaningful way to introduce children to themes of perseverance and kindness. At just under four dollars, it is an incredibly easy addition to a growing home library or a thoughtful stocking stuffer. It serves as more than just a quick read; it is a small, affordable window into a legendary life that feels perfectly sized for little hands to hold.
My Little Golden Book About Ruth Bader Ginsburg
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
My Little Golden Book About Ruth Bader Ginsburg delivers a powerful, accessible biography that introduces young readers to a legal icon. This little volume manages to condense a complex life of advocacy and judicial brilliance into a format that feels both intimate and inspiring. It is the kind of book you grab for a bedtime story when you want to spark a conversation about justice and perseverance. At just over five dollars, it is an incredibly affordable way to build a diverse home library. The classic Golden Books aesthetic makes it feel like a timeless keepsake, ensuring that the legacy of RBG remains approachable for the next generation of changemakers.
Little Feminist Picture Book (Inspiring Children’s Books, Feminist Books for Kids, Children’s Social Activists Biographies)
- LEARN ABOUT INSPIRING WOMEN: The books include colorful yet simple illustrations of 25 inspiring women including Maya Angelou, Josephine Baker, Ella Fitzgerald, Cleopatra, Indira Gandhi, Hillary Clinton, Harriet Tubman, Rosa Parks, Amelia Earhart, Billie Jean King, and more!
- IDEAL FOR GROWING MINDS: At 52 pages long, the book has a hardcover with a soft-touch finish, perfect for small hands to grasp and manipulate. The book is 9.25 x 9.25”, perfect to add to your child’s bookshelf and bedtime routine.
- COLORFUL ILLUSTRATIONS & SIMPLE TEXT: With easy to process words by Yelena Moroz Alpert and colorful illustrations by Lydia Ortiz and Patrick Rafanan, this book is the perfect way to introduce young children to inspiring women.
- SHORT AND SWEET: Each page features one historic woman and a sentence about her legacy — just enough to give a glimpse of who she was. Children will love the quick pace of this vibrant-colored book.
- SCREEN-FREE FUN: For over 25 years, Mudpuppy has created quality non-digital puzzles, games and toys for families that facilitate creative play and imaginative thinking. All Mudpuppy products adhere to CPSIA, ASTM, and CE Safety Regulations.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Bedtime stories often feel rushed, but this vibrant hardcover turns a quick nightly routine into a powerful moment of discovery. Instead of long, dense biographies, this book offers a fast-paced journey through the lives of 25 trailblazers like Rosa Parks, Amelia Earhart, and Maya Angelou. The 9.25 x 9.25-inch format feels substantial in a child's hands, thanks to a premium soft-touch finish that survives constant handling. Yelena Moroz Alpert’s simple text paired with the colorful artwork by Lydia Ortiz and Patrick Rafanan makes complex legacies easy for young minds to digest. It is a refreshing, screen-free way to introduce social activism and historical significance through bite-sized, engaging snapshots that spark immediate curiosity.
Women Who Dared: 52 Stories of Fearless Daredevils, Adventurers, and Rebels (Biography Books for Kids, Feminist Books for Girls)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Imagine a young girl sitting on her bed, eyes wide, as she discovers that history isn't just about dusty dates, but about the fierce women who broke every rule to change the world. This collection from Sourcebooks Explore serves as a powerful antidote to traditional history lessons by presenting fifty-two distinct profiles of rebels and adventurers. It is the perfect bedside companion for parents looking to foster confidence and curiosity in their daughters through storytelling. Instead of dry academic prose, you get bite-sized, engaging narratives that make these daredevils feel reachable and real. At its current price point, it is an incredibly accessible way to build a library of empowering feminist literature for the next generation of leaders.
Shark Lady: The True Story of How Eugenie Clark Became the Ocean's Most Fearless Scientist (Women in Science Books, Marine Biology for Kids, Shark Gif...
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Shark Lady transcends the typical, dry biography by delivering a high-stakes adventure that makes marine biology feel like an action movie. While many children's science books rely on static facts and dull diagrams, this Sourcebooks Explore title breathes life into the legacy of Eugenie Clark through a narrative that is as fearless as its subject. It is a rare find that manages to be both educational and deeply inspiring, specifically designed to spark curiosity in young readers interested in the ocean. Instead of just teaching kids about sharks, it shows them how one woman changed our entire understanding of these creatures. It is a must-have for any young aspiring scientist or anyone looking for a meaningful gift that celebrates women in STEM.
The Boy Who Harnessed the Wind, Young Reader's Edition
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Young readers seeking a powerful lesson in resilience and scientific ingenuity absolutely must add this Puffin Books edition to their bookshelves. This isn't just another biography; it is a gripping, real-world testament to how curiosity can overcome extreme adversity. While the original memoir is a heavyweight, this specific Young Reader's Edition makes the profound story of William Kamkwamba accessible without stripping away the emotional weight of his journey. It serves as a perfect bridge for middle-grade readers who are ready to tackle themes of survival, innovation, and community impact. At a very accessible price point, it offers incredible value for parents and educators looking to inspire the next generation of problem-solvers through a true story that feels both epic and deeply personal.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
The Story of Amelia Earhart: A Biography Book for New Readers (The Story Of: A Biography Series for New Readers)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
A young reader sits curled up in a beanbag chair, eyes widening as they trace the courageous journey of aviation's most famous pioneer. Rockridge Press has crafted a biography that bridges the gap between simple picture books and dense historical texts, making the life of Amelia Earhart accessible to those just beginning their reading journey. At a very approachable price point, this book serves as an ideal tool for building both literacy skills and historical curiosity simultaneously. It avoids the overwhelming complexity often found in standard biographies, instead focusing on a narrative flow that keeps early readers engaged from the first page to the last. It is a thoughtful addition to any home library for parents looking to inspire a love of history and flight.
Women Artists A to Z
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Pink.Roses | 5.10 | Yes | Yes | Yes |
Aspiring creators and art history enthusiasts desperately need this volume to bridge the gap between mainstream names and the brilliant, often overlooked women who shaped the creative world. Dial Books has put together a comprehensive alphabetical guide that serves as both a reference tool and an inspiring deep dive into female artistry. It is the kind of book you keep on your coffee table or studio desk, flipping through it whenever you need a spark of creative energy or a quick lesson in art history. Instead of scrolling through endless digital archives, you get a tactile, organized journey through the alphabet that makes discovering new influences feel intentional and effortless. It is a vital addition to any library focused on diversifying one's perspective on the arts.
Harriet Tubman: A Little Golden Book Biography
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Bedtime stories often require a delicate balance of engaging imagery and meaningful substance, and this biography hits that mark perfectly. I picked this up to introduce the concept of courage to a young reader, and the classic Little Golden Book format makes the heavy subject matter feel accessible rather than overwhelming. At just $5.99, it serves as a budget-friendly way to weave historical lessons into a nightly routine. The storytelling is concise enough to hold a child's attention while still honoring the gravity of Harriet Tubman's life. It is a sturdy, small-scale addition to any nursery bookshelf that manages to pack a significant emotional punch for such a compact volume.
Little Scientist Board Book Set
- LEARN ABOUT INSPIRING SCIENTISTS: The books include colorful yet simple illustrations of Carl Sagan, Carolyn Porco, Isaac Newton, Albert Einstein, Charles Darwin, Jane Goodall, Louis Pasteur, Marie Curie, and more!
- SMALL & CONVENIENT SIZE: Each book features 8 chunky pages, perfect for even small hands to grasp and manipulate. The books are 4 x 4 x 4” in size, ideal for tossing in a diaper bag or in the stroller for entertainment on-the-go.
- COLORFUL ILLUSTRATIONS: Illustrations by Lydia Ortiz and words by Emily Kleinman introduce children to these important people in history with images that are fun for youngsters and also realistic.
- SAFE MATERIALS: The Little Scientists Board Book greyboard contains 90% recycled paper, the packaging contains 70% recycled paper and it is printed with nontoxic, soy-based inks.
- SCREEN-FREE FUN: For over 25 years, Mudpuppy has created quality non-digital puzzles, games and toys for families that facilitate creative play and imaginative thinking. All Mudpuppy products adhere to CPSIA, ASTM, and CE Safety Regulations.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| No | No | No |
The Mudpuppy Little Scientist Board Book Set turns massive historical concepts into bite-sized, colorful discoveries for tiny explorers. I love how these books introduce heavyweights like Marie Curie, Albert Einstein, and Jane Goodall through Lydia Ortiz’s vibrant, realistic illustrations that actually capture the spirit of these legends. At just 4 inches square, they are incredibly easy for small hands to grip, making them the perfect distraction for a stroller ride or a long car trip. Beyond the educational value, the commitment to safety and sustainability is impressive, utilizing soy-based inks and recycled paper. It is a refreshing, screen-free way to spark curiosity about the world and the brilliant minds who shaped it.
Who Was Julia Child?
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Young culinary enthusiasts and history buffs alike need this biography to understand the spirited woman who revolutionized the American kitchen. Penguin Workshop delivers a compelling narrative that breathes life into the legendary chef's journey, making her legacy accessible to a much younger audience. At just $6.99, it is an incredibly easy addition to any classroom library or home collection for kids interested in how passion can transform a career. The storytelling style is engaging enough to keep readers hooked without feeling overly academic. It is a quick, inspiring read that captures the essence of a cultural icon in a way that feels both personal and educational.
My Little Golden Book About Kamala Harris
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Political history doesn't always need a massive, heavy biography to make an impact on a young reader. This charming little volume proves that complex life stories can be distilled into something approachable and engaging for much smaller audiences. While many children's books stick to fairy tales, this entry uses the classic, comforting format of a Golden Book to introduce a significant contemporary figure. It is a surprisingly accessible way to spark curiosity about leadership and public service during early reading years. At just under four dollars, it serves as a lightweight, budget-friendly addition to a growing home library that aims to bridge the gap between storytelling and real-world inspiration.
The Woman All Spies Fear: Code Breaker Elizebeth Smith Friedman and Her Hidden Life
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Random House LLC | 0.00 | No | No | No |
History buffs craving a true story of intellectual grit must download this ebook immediately. Elizebeth Smith Friedman’s life is a masterclass in high-stakes espionage that feels more intense than a Hollywood thriller. This digital biography dives deep into the hidden world of a codebreaker who operated in the shadows of global intelligence, proving that the most dangerous weapons aren't always physical. It is an essential read for anyone fascinated by the intersection of mathematics and secret warfare. Since it is available for instant download, you can start unraveling her complex legacy right away for a very reasonable price. This isn't just a history lesson; it is a gripping journey into a life that shaped the very foundations of modern intelligence.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
The Beginner's Guide To The 3D Printing Galaxy (3D Printing 101)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Women in Science and Technology: Katherine Johnson―The Story of a NASA Mathematician, Grades 1-3 Interactive Book With Illustrations, Vocabulary, Exte...
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Bright, engaging illustrations immediately catch a young reader's eye as they dive into the life of a true pioneer. This Discovery Library title turns the complex history of NASA into something accessible for children in grades one through three. Rather than just presenting a dry biography, the book functions as an interactive learning tool by weaving in specific vocabulary and extension activities that keep little minds engaged. At just 24 pages, it is the perfect length for a classroom read-aloud or a bedtime story that inspires curiosity about science and technology. It manages to pack a significant amount of historical importance into a digestible, colorful format that makes learning about Katherine Johnson feel like an adventure rather than a chore.
The End of Sex and the Future of Human Reproduction
The End of Sex by Harvard University Press
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
The End of Sex and the Future of Human Reproduction explores the profound intersection of biological evolution and emerging reproductive technologies. This Harvard University Press publication dives deep into how our fundamental methods of procreation might undergo a radical shift in the coming decades. It is a dense, intellectually stimulating read that challenges our traditional understanding of intimacy and lineage. Instead of offering simple answers, the text presents a complex roadmap of the ethical and biological crossroads we currently face. If you are interested in how science is rewriting the human experience, this book provides a necessary, high-level perspective on a topic that is as controversial as it is inevitable.
ISTE Standards for Educators: A Guide for Teachers and Other Professionals
ISTE Standards for Educators Professional Guide
Reviews for INTERNATIONAL SOCIETY FOR TECHNOLOGY IN EDUCATION (PM Score)
6.2 PM Score| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Modern educators often struggle to bridge the gap between traditional teaching methods and the rapid evolution of classroom technology. This guide from the International Society for Technology in Education serves as a vital roadmap for navigating that digital shift. Rather than offering vague suggestions, it provides a structured framework that helps teachers and professionals align their instructional practices with global technological benchmarks. It is an essential resource for anyone looking to move beyond simply using devices to actually fostering meaningful, tech-driven learning environments. Whether you are a veteran instructor or a new professional, having these standards as a reference point ensures your digital integration is intentional and impactful.
Hands-On Engineering
Hands-On Engineering by Prufrock Press
- Used Book in Good Condition
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ThriftBooks-Baltimore | 9.89 | No | No | No |
Hands-On Engineering is a practical cornerstone for anyone looking to bridge the gap between theoretical concepts and real-world application. Published by Prufrock Press, this text serves as a vital resource for those who value tactile learning over abstract formulas alone. Since this specific copy is a used book in good condition, you are getting a high-value educational asset without the premium price tag of a brand-new hardcover. It feels like a reliable companion for a student or a hobbyist engineer building their foundational skills. At just over eight dollars, it is an incredibly accessible way to stock your technical library with meaningful, substance-heavy content that actually matters in a workshop or lab setting.
The Neuroanatomy Riddle Book: Test And Expand Your Knowledge
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Methods For Teaching Science As Inquiry (10Th Edition)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ThriftBooks-Baltimore | 9.89 | No | No | No |
Teaching In The Digital Age For Preschool And Kindergarten: Enhancing Curriculum With Technology
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Discovery Library on Amazon: A Comprehensive Review
As an online shopper, it's crucial to make informed decisions. This review will focus on Discovery Library, a brand that has made its presence felt on Amazon. With its wide range of products in Children's Science Biographies, Discovery Library has become a go-to for many shoppers.
Product Range
Discovery Library offers a vast product count of 40 items. This diverse selection caters to a wide array of needs and preferences, making it a versatile brand for consumers.
Quality and Pricing
Quality is a defining factor for any brand. Based on customer feedback and ratings, Discovery Library's products have an average rating of 7.5 out of 10, indicating a high level of customer satisfaction.
When it comes to pricing, Discovery Library has products ranging from a minimum price of $3.97 to a maximum of $167.98, with an average price of $19.99. This pricing structure caters to a wide range of budgets, making Discovery Library an accessible choice for many shoppers.
Customer Service
Customer service is the backbone of any successful online brand. Discovery Library is sold by amazon.com, who are known for their commitment to customer satisfaction. They have been responsive and helpful, according to customer reviews and feedback.
Shopping Experience
The shopping experience on Amazon with Discovery Library has been largely positive. The brand's wide range of products, combined with the ease of navigation on Amazon, has made shopping a breeze for many customers.
Delivery and Packaging
Delivery and packaging are yet another aspect where Discovery Library shines. Items are delivered in a timely manner and the packaging ensures the products reach the customers in pristine condition.
Conclusion
In conclusion, Discovery Library offers a wide range of quality products at varying price points, making it a brand worth considering for your next Amazon purchase. Their commitment to customer service, combined with a seamless shopping experience, makes Discovery Library stand out in the crowded Amazon marketplace.
Overall Rating
Based on the analysis of product range, quality, pricing, customer service, shopping experience, and delivery, we rate Discovery Library [7.5 out of 10 stars].