There are forces at work whenever you throw a ball, run up the stairs, or push your big brotheroff the couch. Want to learn more about the forces around you? Read and find out!

What is sand? How is it formed? Where does sand come from? Prager, the sandpiper sleuth, answers these questions in a lively, collage-style look at a familiar substance that's never been so fascinating. Full color.

This unique approach to the story of the American Revolution weaves the tale around two quite similar leaders--George Washington and King George III--with two very different viewpoints. Includes bibliography, source notes, and an index. Full color.

An emperor penguin lays an egg on the Antarctic ice. In the bitter cold, miles away from the only source of food, how can the chick survive?

Bats fly into the spotlight in this exploration of such basics as where the live, how mothers raise their pups, and how they hunt for food. Included as well is a simple plan for a building a backyard bat house. 1995 Pick of the Lists (ABA)Best Children's Science Books 1995 (Science Books and Films)

This fascinating new book takes readers into the secret world behind the Revolutionary War in which they can follow the escapades of spies and intelligence agents of the time and learn about the methods used in wartime espionage. Illustrations. Maps.

In a clear and nonthreatening way, Franklyn M. Branley discusses where, when, and how a tornado develops and what happens during one, and outlines measuresreaders can take to keep themselves safe if caught near one.

In this basic introduction to the skin and its functions, four children take turns presenting different aspects of the skin, such as pigment and melanin, cuts and healing, fingerprints, and the sense of touch.

Let's-Read-and-Find-Out about SnakesSlithering, scaly, and sly--snakes are fascinating reptiles. They are also hunters. Find out how snakes survive in the wild, and how they capture their prey.

The "magic" of a light switch is made accessible to everyone with this crystal-clear introduction to electricity, from the generator to the individual light bulb. Includes an experiment.

From start to finish, Mann tracks the wonders of architecture, engineering, and construction that went into the creation of the tallest building in the world for the time. Fascinating profiles describe the individuals who dreamed of and built this architectural marvel. Archival photographs recreate the heady world of the steelworkers out on the girders, high above the city streets. Wonders of th ...

Nearly 50 stories high, the Great Pyramid was built more than 4,500 years ago, made from over 2,300,000 giant stone blocks and constructed by primitive farmers. Some believe it was created by people from outer space, but the true story of the Great Pyramid is even more fascinating than the speculation. 44 illustrations and photos. Double gatefolds.

Through the simple yet dramatic story of a tree's life, death, and decomposition, this book introduces the cycle of life and illustrates the interdependence of living creatures. Includes a teacher's guide. Full color.

The Brooklyn Bridge is the perfect subject for a picture book. This is the story of how it was built. This book is a classic tale of struggle and triumph, told in a manner that will thrill, fascinate, and inspire--all the more so because every word is true. 36 illustrations, prints, photos. 2 gatefolds.

Acclaimed science writer Seymour Simon teams up with the Smithsonian Institution for a new, updated edition of his book about these immense and devastating storms. Full color.

Based on the migration of a real peregrine falcon that was tracked by satellite telemetry, this book follows the world's fastest bird on her annual migration from Alaska to Argentina.THE PEREGRINE'S JOURNEY vividly describes one of the most remarkable feats in the animal kingdom. Beginning in Alaska and ending two months later in Argentina, the peregrine falcon's annual migration is an 8,000-mile ...

Young scientists will love this nature mystery that reveals the secrets hiding in seeds, plants, flowers, and fruits throughout the life cycle of various flora. Curiosity will bloom in this introduction to botany and primary nature science. Plants come in all shapes and sizes, but they go through the same stages as they grow. Using four common plants, young readers learn about plant structure and ...

While the 1783 Treaty of Paris offered freedom to our original thirteen colonies, the unity required for cooperation and influence was nonexistent. Creatively presenting the process of collaboration, debate, and compromise, this book draws parallels to student experience, reiterates concepts through simple, then extended summaries in the afterword and author notes. Well crafted.