Digby and his sister Hannah stumble across Marco Polo's silk purse in Mr. Rummage's flea market stall. This book relates the biography of traveler Marco Polo's life and his most famous… More →

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 →

There's no denying that marijuana use is prevalent among today's youth - and it has grown increasingly acceptable in popular culture. This informative and useful book for kids examines drug… 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 →

The Marquis de Lafayette was a young aristocrat from France who played a key role in the success of the American Revolution. From a wealthy family with a military history, he admired the… 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 →