What was it like to be an American pioneer during the 1800s? Great Pioneer Projects You Can Build...

'Guided reading level: W' -- Page [4] of cover.

What's the matter? Everything is matter!

'... learn how a screw's shape can pull things together or push things apart or even move heavy o...

In Engineering: How the Six Simple Machines Support the World, young engineers ages 12 to 15 lear...

In Engineering: How the Six Simple Machines Support the World, young engineers ages 12 to 15 lear...

In Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist with Hands-On Engineering Acti...

In Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist with Hands-On Engineering Acti...

Have you noticed that our planet is becoming increasingly connected?

Why are rivers and streams important to life on Earth?

What kinds of plants and animals live in marshes and swamps?

Why is the ocean important for humans and for the Earth?

What kind of life can you find in lakes and ponds?

'Explore Fossils!' introduces young readers to the history of life on Earth as revealed by fossils'

From tracking spring peepers and raising tadpoles to learning about seeds and recording plant gro...

A hands-on history of America's early settlers and their brave journey, this kid-focused approach...

What is big data and what does it have to do with you?

'Hands-on space science projects help launch kids ages 8 to 11 into learning about ... female ast...

What style building do you live in? Is it a skyscraper, a Victorian home, or a modern building? I...

Did you know that hydropower supplies 16 percent of all electricity worldwide? Did you know there...

What is an immigrant? How have immigrants shaped the United States? Immigration Nation: The Ameri...

'Introduces readers to the study of dinosaurs and the history of life on Earth as revealed by fos...

Look up, up, up! How do skyscrapers get so tall? Skyscrapers are amazing feats of engineering tha...

What do physics have to do with having fun? Everything! In The Physics of Fun, kids ages 12 to 15...

In Renewable Energy: Power the World with Sustainable Fuel, scientists ages 9 to 12 learn how swi...

From puddles to lakes, streams to rivers, and bogs to swamps, each body of water contains an amaz...

Revealing legends and legacies, Inca: Discover the Culture and Geography of a Lost Civilization w...

Imagine a world without light. What would it be like? Dark, cold, and lifeless! In this book, rea...

What was it like to live in ancient Rome?Ancient Civilizations: Romans! With 25 Social Studies Pr...

Does the weather fascinate you? Are you curious about where storms get their strength? Do you eve...

What did children in ancient Egypt eat for lunch? Find out inAncient Civilizations: Egyptians! Wi...

'After the Civil War, Americans struggled to repair the divided nation. How does a country rebuil...

Timekeeping: Explore the History and Science of Telling Time travels through the past and into th...

Each of the true tales in Pirates and Shipwrecks, including stories about pirate Barbarossa and a...

.'..readers...investigate cells and learn how they affect our health, reproduction, criminal inve...

Readers are invited to journey through the solar system and beyond, exploring planets, moons, dwa...

Follows Dorothy Vaughan's path from math teacher to 'human computer' as well as her success as fi...

What are natural resources? And why is it important to prevent natural resources from being waste...

The world owes a lot to the unsung heroes of innovation! In Innovators: The Stories Behind the Pe...

The 1920s is one of the most fascinating decades in American history, a time when the seeds of mo...

Explores the language and themes of Shakespeare's plays and examines the playwright's reach in to...

Rocks and Minerals: Get the Dirt on Geologyoffers middle schoolers a chance to look under the hoo...

Diplomat, statesman, writer, scientist, inventor--Ben Franklin had many different ideas and inter...

'Introduces middle school readers to the science behind the food they love to eat as they explore...

Imagine a world without brand-name products! Before the Industrial Revolution it was not possible...

Bridges and tunnels are lifelines. People have tackled seemingly insurmountable obstacles, includ...

Explorers of the New World: Discover the Golden Age of Exploration offers a fascinating look at t...

These five tales of real adventure include the story of how Ernest Shackleton and his crew became...