What do margarine and marbles have in common? And can they help Tom and Samjeev solve a very tricky problem? Fantastic facts about forces! More →

What can you find in the ocean? What plants and animals live there? Explore the fascinating marine biome and find out why it is so important to life on our planet. Comprehension Questions… More →

This fascinating book gives readers core information about marine biomes on coasts, in coral reefs, frozen oceans, and in the deepest depths of the ocean. Find out where each kind is found,… More →

Learn about the different jobs in the U.S. Marine Corps and what it takes to be a marine. More →

Mark Twain was known as one of the greatest writers of his time, but what about before that? What happened when Twain was younger? What did he do then that led to his being famous later on?… More →

In 1673, the partnership of Jacques Marquette, a Jesuit missionary, and Louis Jolliet, a coureur de bois, resulted in the first French expedition down the Mississippi River. The legendary… More →

Jump into orbit around one planet in our amazing solar system: Mars! Take a fact-filled flight to learn what makes the Red Planet so special. Explore its double moons, giant craters, and… More →

We now probably know more about Mars than any other planet in our solar system other than Earth. Spectacular images highlight this exploration of the fourth planet from the Sun, its two… More →

These Olympic sports are physical and strategic contests between individuals based on ancient combat techniques. Some require hand to hand contact while others use equipment with which to… More →

Kick into high gear with Martial Arts in Action. Children will learn about karate, tae kwon do, jujitsu, judo, and kung fu. Important concepts are also discussed, including self-defense,… More →