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How does a piece of wood become a brand-new baseball bat? Follow each step in the process—from cutting the wood to shipping the bat to a store—in this fascinating book! Read More →

Find out what a gray wolf has in common with a red fox or an African lion. Discover what sets a gray wolf apart from a manatee or a giant panda. Readers will compare and contrast key traits… Read More →

Discover what a grizzly bear has in common with a jaguar. Find out what sets a grizzly bear apart from an armadillo. Readers will compare and contrast key traits of grizzlies—their… Read More →

Making your money grow over time is easier than you might think. Investing is a great skill to learn. The sooner you start investing, the more money you can make. But what kinds of… Read More →

Video games today are more advanced than ever. Players can explore virtual worlds. They can play with friends online. But how do video games work? What are the parts inside a game console?… Read More →

Most people are familiar with spring, summer, fall, and winter. But did you know that some places on our planet have a rainy season and a dry season? Or that the Northern and Southern… Read More →

Igneous rocks, sedimentary rocks, and metamorphic rocks make up the three main types of rocks. But did you know that rocks are constantly being created, destroyed, and created again? Or that… Read More →

Water is essential to life on our planet. Water is constantly moving between Earth's surface, the air, and the ground. But did you know that water cannot be created or destroyed? Or that… Read More →

Is planet Earth flat? Is California an island? Can you mix other metals to make gold? At one time, science supported wild notions like these! But later studies proved these ideas were… Read More →

Learn what a mountain gorilla has in common with a hippopotamus. Find out what sets a mountain gorilla apart from a raccoon or a mountain lion. Readers will compare key traits of mountain… Read More →

Find out what a platypus has in common with a beaver or a dolphin. Learn what sets a platypus apart from a giraffe or a wild dog. Readers will compare key traits of platypuses—their… Read More →

Have fun learning language! What is a prefix? You'll find the answer inside this book—it's overflowing with prefixes. Brian P. Cleary's playful rhymes and Martin Goneau's humorous… Read More →

Learn what a Siberian tiger has in common with an elk. Discover what sets a Siberian tiger apart from a Tasmanian devil. Readers will compare and contrast key traits of Siberian tigers—their… Read More →

It is easy to spend money when you have a credit card or a loan. But it is also easy to spend or borrow more than you can afford. How can you use credit responsibly? How can you avoid going… Read More →

Does the universe circle around Earth? Do creatures live on the sun? Can you tell the future by looking at the stars? At one time, science supported wild notions like these! But later studies Read More →

Programs and apps make computers useful. They let you do homework on laptops. They let you play games on smartphones and tablets. What programs and apps are the most important? Who makes… Read More →

Computers cannot understand human languages such as English. Instead they follow instructions written in special codes. Computer programmers use these codes to design video games and computer Read More →

Could window panes be made out of wood? Or a shirt out of glass? Go on a treasure hunt with Ms. Sampson's class as they search for different kinds of materials—cloth, rock, glass, metal, and… Read More →

People use many kinds of computers. There are desktop computers, laptops, tablets, smartphones, and even some toys and cameras. Do you know what parts are similar in all computers? Or how… Read More →

Mr. Davis's class is learning to tell the future! Future weather, that is. They keep track of weather conditions and look for patterns, such as the warmest time of day and the rainiest… Read More →

Do you know what happens to water when it evaporates? Or how cold the air needs to be for water to freeze? Join Ms. Ling's class as they become science detectives and solve some of nature's… Read More →

Do your eyes send out light like headlights? Does your liver create blood? Do bumps on your head tell what's inside your brain? At one time, science supported wild notions like these! But… Read More →

Find out what an African elephant has in common with a wildebeest. Learn what sets an African elephant apart from a snow leopard. Readers will compare and contrast key traits of African… Read More →