Ages 9 to 10

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...