Directed by U.S. President Thomas Jefferson, Meriwether Lewis and William Clark teamed up in 1805 to explore the land included in the Louisiana Purchase. Find out how the findings from their… More →

Simple activities show children how to make a difference to the environment by reusing metal to make bird feeders, pots for plants, and tin-can phones. More →

This comprehensive title introduces young scientists to the properties of metals. Through clear, concise text and supportive images, readers will discover that most metals are shiny, ductile, More →

This valuable resource provides teachers with useful suggestions on how to teach the subjects covered in the Rocks, Minerals, and Resources series. More →

Rocks and minerals are all around us, but they're not all the same. Discover metamorphic rocks and find out how they form, what makes them unique, and how we use them. Explore some marvelous… More →

Children will be delighted to learn how the bodies of different animals, including frogs, butterflies, and beetles, change as these animals go through their life cycles. Metamorphosis… More →

New information and colorful photos show how modern-day Mexico is able to maintain a foothold in its ancient Aztec and Mayan past in this newly revised book. New information highlights… More →

Brilliant new photos highlight Mexico's deserts, plains, rainforests, and mountains in this newly revised edition. Mexico's agriculture, industries, overpopulation, and Mayan and Aztec roots… More →

This updated book celebrates Mexico's heroes' past and present and explores the values and the traditions of Mexicans at home, school, and work. A new easy-to-follow timeline has been added… More →

Superstar singer, songwriter, and artist M.I.A. ("Maya" to her friends) has come a long way from humble beginnings. Born in Britain, she lived most of her young life in the birthplace of her… More →