Ages 9 to 10

Why does pizza taste so good? When was the chocolate chip cookie invented? Should I wait to swim after I eat? We at World Book answer all of your random questions—and not only random questions about food and food’s limits on fun. Answer Me This, World...

How does GPS work? How do mirrors work? How does a light bulb work? We at World Book answer all of your technologyrelated questions—and not only questions about how things work. Answer Me This, World Book answers questions about such topics as oceans,...

Swing for the fences with Sports-Graphics Jr. This series of infographics for young readers breaks down the STEM concepts behind popular sports while enhancing visual literacy. Readers will learn to be strategic to increase basketball scores, dive into...

In the Econo-Graphics Jr. series, young readers will examine economy-related issues from many angles, all portrayed through visual elements. Income, budgeting, investing, supply and demand, global markets, inflation, and more are covered. Each book...

Humans have a complex relationship with planet Earth. Life depends on the planet's natural resources. Yet human activity has led to many environmental issues. Industry pollutes land, air, and water. Agriculture uses up clean water. In the Enviro-Graphics...

How is a volcano like a soft drink? To visit the largest known volcano, would you need a submarine or a spaceship? How fast can a pyroclastic flow go? True or False?: Volcanoes is here with answers to these questions and more! The True or False? series...

Can sharks get cavities? Do any of them live in rivers and lakes? Which shark is more famous: Baby Shark or Bruce? True or False?: Sharks is here with answers to these questions and more! The True or False? series reveals the surprising truths behind...

What is celebrated during the festival of Diwali? Which holiday lets you have a water fight with an elephant? Is Pancake Week followed by Waffle Weekend? True or False?: Holidays and Celebrations is here with answers to these questions and more! The True...

Why did Lewis and Clark explore the American West? After whom is America named? Has the ship Endurance endured? True or False?: Explorers is here with answers to these questions and more! The True or False? series reveals the surprising truths behind...

Can accountants, dentists, and hairstylists help solve crimes? Can you trust a lie detector test? Could a plague of uncontrollable dancing be caused by moldy hay? True or False?: Crimes and Other Mysteries is here with answers to these questions and...

What is the difference between weather and climate? How do rising temperatures cause sea levels to rise? Where do greenhouse gases come from? True or False?: Climate Change is here with answers to these questions and more! The True or False? series...

Why do police officers read people their rights before arresting them? What is the Magna Carta? When is it time to “take the fifth”? True or False?: Civil Rights is here with answers to these questions and more! The True or False? series reveals the...

How many kinds of ants are there? What is a true bug? Do periodical cicadas read magazines? True or False?: Bugs and Other Tiny Creatures is here with answers to these questions and more! The True or False? series reveals the surprising truths behind...

What was the first full-length animated motion picture? Has Bugs Bunny ever won an Academy Award? Who lives in a pineapple under the sea? True or False?: Animation is here with answers to these questions and more! The True or False? series reveals the...

What were the pyramids used for? Were Nile River floods dangerous or helpful? What happened to the Library of Alexandria? True or False?: Ancient Egypt is here with answers to these questions and more! The True or False? series reveals the surprising...

In this book, early fluent readers will learn how sea slugs use varying bright colors to both warm off predators and camouflage themselves in the ocean. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more...

In this book, early fluent readers will learn how Brazilian rainbow boas get their shimmering, colorful scales and how their colors help them warn off and confuse predators and camouflage in their rain forest homes. Vibrant, full-color photos and...

In this book, early fluent readers will learn how poison frogs use varying bright colors to both warn off predators and camouflage themselves in the rain forest. Vibrant, full-color photos and carefully leveled text will engage young readers as they...

In this book, early fluent readers will learn how parrots get their colorful feathers and how their colors help them attract mates, warn off predators and rivals, and camouflage. Vibrant, full-color photos and carefully leveled text will engage young...

In this book, early fluent readers will learn how mandrills get their colorful rumps and faces and how their colors help them attract mates, establish rank in their troops, and camouflage in their forested homes. Vibrant, full-color photos and carefully...

In this book, early fluent readers will learn about the markings and colors of mandarinfish and how these fish live in the ocean. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about mandarinfish and...

In this book, early fluent readers will learn how goldfinches get their colorful feathers and beaks and how their colors help them attract mates, camouflage, and communicate. Vibrant, full-color photos and carefully leveled text will engage young readers...

In this book, early fluent readers will learn how frilled lizards get their colorful frills and how they use their colors to defend themselves and survive. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more...

In this book, early fluent readers will learn how flamingos get their pink feathers, as well as how they live and behave in their flocks. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about flamingos...

In this book, early fluent readers will learn how cuttlefish use colors to camouflage themselves, hunt, attract mates, and warn off predators. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about...

In this book, early fluent readers will learn how chameleons use colors to camouflage themselves, heat themselves with sunlight, and even show their emotions. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn...

In this book, early fluent readers will learn how blue-footed boobies get blue feet and how male boobies dance and use them to attract mates. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about...

This fascinating series provides an up-close look at some of the most incredible architectural wonders of past centuries. Young readers will learn about the history and construction of each structure, as well as what the site is like today. Each book...

With this series, young citizens of the world will learn how they can commit to the United Nations 17 Sustainable Development Goals (SDGs). Books include thought-provoking questions and hands-on activities for youth to engage in their own communities and...

Welcome to the Science Squad, a citizen science organization for curious kids who love nature and science! Follow along as Squad members journal their efforts to make a difference in the world around them. Titles Included: Crab Campaign: An Invasive...

Welcome to the Science Squad, a citizen science organization for curious kids who love nature and science! Follow along as Squad members journal their efforts to make a difference in the world around them. Titles Included: Hatchling Hero: A Sea Turtle...

Get set . . . for Jett! Jett Ryder is the biggest name in freestyle motocross stunts. Not only can he pull off the biggest air and most death-defying tricks, but his stunts take place in extreme locations: Niagara Falls, the Space Needle, Mount...

Will Washington plays a secret agent in the hit kids’ TV show Code Name Danger, based on the bestselling book series. What no one realizes is that he’s also a real-life undercover spy. Juggling filming, spy missions,...

Girls are forbidden to practice story magic. Only bad things happen when they do. Everyone knows this, but that doesn’t stop twelve-year-old Kaya A’Dor from learning the basics from her older brother Hob. The trick is to sense a...

Twin brothers Jordie and Joey have never met their parents. Maybe it’s because they aren’t from this planet? When another kid at school tried to force Jordie to show him the “crop circles” on his back that prove he’s an...

Crack open a What Happened? book to investigate a preposterous mystery from four different perspectives. See what the witnesses get right . . . and what they get hilariously wrong. Bet you’ll never guess what really happened! Titles Included: ...

Crack open a What Happened? book to investigate a preposterous mystery from four different perspectives. See what the witnesses get right . . . and what they get hilariously wrong. Bet you’ll never guess what really happened! Titles Included: Lab...

As the only “normal” at a school for the superpowered, Cole Champion is often challenged to prove why he deserves to be there. But with the help of his robot Sidekick and fellow STEM lover Mireya Morales, can he save the day his own way?...

The Society of Paranormal, Invisible, and Restless Imps and Terrors has a problem: due to so-called “science,” the living are believing in ghosts less and less. To boost morale, SPIRIT is opening its doors to new members for the first time in...

At Second Chance Ranch, the Ramirez family cares and works to find homes for all kinds of animals on their 200-acre ranch in Texas. Sisters Natalie (12), Abby (10), and twins Emily and Grace (9) all do their part to help out and give each animal the...