Grade 4

How do the three branches of the federal government share power? What makes state governments different from the federal government? How does local government work? Each book in My Government More →

How did people escape from Alcatraz? Is there treasure buried on Oak Island? Mysteries in History explores exciting mysteries throughout time and the different theories and explanations… More →

The people of Toyton woke up to some strange things. Houses were upside down, someone put ketchup in Jean's teapot, and Clive's turkey. It was... Anyway, will Toyton solve the mystery? The… More →

Nanotechnology uses materials that are smaller than a speck of dust. These nanomaterials are used to make waterproof clothing, medical devices, and more! In this title, readers will explore… More →

In this book, early fluent readers will learn how narwhals live and survive in the ocean. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more… More →

Dancing to death, tangling with your own beard in a burning building, and eating yourself sick--what nasty ways to go. Take a hi-lo adventure exploring some of the worst deaths of all time.… More →

The nasutoceratops was an eye-catching dinosaur. It had two long horns and a large frill! In this book for young readers, vivid illustrations and engaging text take readers on a journey 75… More →

Nathan Chase's world is turned upside down after a chance encounter with a secret agent and a shadowy organization known as RUIN. The future of the world is in his hands. and the chase is on. More →

North America is home to hundreds of Native American nations with unique cultures and ways of living. This series explores several Native American nations, from their past traditions and… More →

Our planet is amazing and wonderful! But what happens when nature strikes back? From hurricanes to landslides, find out all about the world's worst natural disasters. The grapheme /a/ is… More →

Natural Wonders presents some of the world's most stunning locations. Each book blends social studies and STEM concepts, exploring how each wonder formed, its historical, environmental, and… More →

Whether you enjoy being near water, hiking in the forest, or watching clouds roll by, nature is always available to you! Being in nature can help relieve stress and increase mindfulness. With More →