Grade 3

The first shapes found in crop fields were circles. Since then, people have discovered more complex designs. Where do these designs come from? Are they messages from alien visitors, or are… More →

In Electrifying Eco-Race Cars, kids will discover some of the coolest and most Earth-friendly cars around! From hydrogen-fueled race cars that can reach speeds of over 300 miles per hour to… More →

When there is danger in shallow water, Littoral Combat Ships are called into action. These ships can go in water too shallow for other ships of the United States Navy. Armed with high-tech… More →

From infestations of fleas and head lice to malaria-spreading mosquitoes and bacteria, a multitude of creatures live, eat, reproduce, and fulfill their life cycles…all on and inside our… More →

Famous for the snowy peaks of the Swiss Alps, Switzerland is a popular destination for skiing and snowboarding enthusiasts all over the world. Swiss alpine culture is also known for a long… More →

Ever feel like you need a nap in the afternoon? Spain is famous for its cultural tradition of the siesta. For a few hours every afternoon, people go home from work to nap! Kids will learn… More →

These dogs are small—but don’t let that fool you! They are some of the bravest, boldest, and smartest animals around. From Georgie, a beloved Shih Tzu who works as a service dog for a boy… More →

What does it take to become a United States Marine? Kids will find out in this exciting look inside the U.S. Marine Corps' grueling, 13-week basic training program. Readers will learn all the More →

Cairn terriers are small—but their fun personalities can easily fill up the big screen! Right off the bat, readers will meet Terry, the little cairn terrier who played Toto in the 1939… More →

Brazil is the largest country in South America and the fifth largest and most populated country in the world. The Amazon Rainforest in Brazil has the greatest biological diversity of any… More →

A kitten is completely dependent on its mother during the first eight weeks of its life. Its mother provides food, warmth, and protection. Children will follow a kitten’s growth into an adult More →

Keeping a pet horse is a very personal and involved experience. A horse requires a stable, a space to run around in, and all sorts of equipment. You can learn how to ride your horse and do a… More →