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A ball drops to the ground. Leaves fall from a tree. Gravity is at work all around you. But what exactly is gravity? And how does it affect different objects? Read this book to find out!… Read More →

In this playful look at patterns, Brian P. Cleary and Brian Gable provide many examples of repeating sequences of shapes, colors, objects, and more. The comical cats of the wildly popular… Read More →

Lightning streaks across the sky. A lamp lights up a room. Electricity is all around you. But where does electricity come from? And how do we bring it into our homes? Read this book to find… Read More →

What is an interjection? Oh, my! You’ll find the answer inside this book—it’s packed with interjections. Dear me! Brian P. Cleary’s playful rhymes and Brian Gable’s humorous illustrations… Read More →

Ice cubes clink in a glass. Steam rises from a pot of boiling water. Solids, liquids, and gases are all around you. But what exactly are solids, liquids, and gases? And how do you tell them… Read More →

Have fun with language! What Is an antonym? One book is never enough to explore the wide range of antonyms! In this follow up to Stop and Go, Yes and No, the zany (not ordinary) cats deliver Read More →

Light shines through your kitchen window. A campfire brightens the dark woods. You see light all around you. But where does most light come from? And how does it travel? Read this book to… Read More →

A colorful magnet holds a drawing to a fridge. Paperclips stick to a magnet. Magnetic forces are at work all around you. But what exactly is a magnet? And how do magnets work? Read More →

You push a swing. Your brother pulls a wagon. Forces are at work all around you. But what exactly is a force? And how do forces act on different objects? Read this book to find out! Learn all Read More →

What's a contraction? You'll find the answer inside this book―it's brimming with contractions! Brian P. Cleary's playful rhymes and Brian Gable's humorous illustrations don't shy away from… Read More →

An airplane soars through the sky. A wind gust blows through the leaves. Objects are in motion all around you. But what makes objects move? And what are some different ways that objects move? Read More →

In this wacky look at weight, Brian P. Cleary and Brian Gable introduce essential measurement units—from grams to pounds to tons. The comical cats of the wildly popular Words Are CATegorical® Read More →

Did you know that Davy Crockett fought in a famous battle at the Alamo? From behind the walls of the fort, Americans fought for independence. Thousands of people still visit the Alamo to… Read More →

How big is the statue of President Abraham Lincoln inside the Lincoln Memorial? It’s 19 feet (6 meters) high. That’s taller than three adults standing on one another’s shoulders! Whose idea… Read More →

Have you ever seen an eye the size of a doorway? What about a finger bigger than a grown-up? Get ready to check out the Statue of Liberty! This statue stands for American freedom. Just… Read More →

Do you know how many U.S. presidents have lived in the White House? Every president except for George Washington has lived in the White House. It’s the official home of U.S. presidents! What… Read More →

A rock sinks in the water. A hot air balloon floats in the air. Many objects float and sink. But what makes them move this way? And how do people use floating and sinking in their lives? Read Read More →

A baseball player slides on the ground to tag a base. A toy car's wheels rub against the floor and slow the toy car down. Friction is at work all around you. But what exactly is friction? And Read More →

Do you plan how much money you’ll use to buy candy? Or how much you’ll save for a new video game? Then you’re budgeting! A budget is a plan for spending and saving. Budgets help people decide Read More →

Have you ever seen rocks that are more than two billion years old? Get ready to visit the Grand Canyon! Millions of people travel to Arizona to visit this amazing place each year. But just… Read More →

Do you know where to find the world’s largest freshwater lake? Or which lake has more than thirty thousand islands? Get ready to explore the Great Lakes! People rely on the lakes for food,… Read More →

Have you ever seen a tree as wide as a house? What about one taller than a skyscraper? Get ready to explore the gigantic trees in the Redwood Forests! These amazing forests are located along… Read More →

Did you know that the Rocky Mountains range is more than 3,000 miles long? It stretches all the way from Canada in the north to New Mexico in the south. Some people call them the "Backbone of Read More →