The classic story of a boy who makes his own rules and the small Missouri town where he and his friends experience the adventures of a lifetime. Filled with schoolyard pranks, buried treasures, spooky caves, secret gangs, and grave robbers, The Adventures of Tom Sawyer is entertainment of the highest order. The clever schemes of its eponymous hero--from tricking his friends into completing his chores to sneaking into his own funeral--are the stuff...

Describes the activities of various animals in Arizona's Sonoran Desert.

Movable features of the book demonstrate the movements various animals make as they engage in courtship and protect themselves.

Discusses what reptiles and amphibians are and examines the characteristics and behavior of lizards, snakes, turtles, crocodiles, alligators, frogs, toads, and salamanders.

Discusses the physical characteristics of insects and examines different kinds, including crickets, butterflies, and wasps.

Describes the world's deserts, their physical features, and the animals and plants that live in them.

National Geographic remembers the 100th anniversary of the sinking of the Titanic with a special collection of programs including the original classic "Secrets of the Titanic" and the new special "Save the Titanic with Robert Ballard".

Brief text explains what the sun is made of, its distance from Earth, and its relation to other planets in the solar system.

A fire-breathing dragon takes children on a grand adventure to learn more about volcanoes. Venturing into an active volcano, kids discover how magma inside the Earth begins to bubble and push its way upward, causing steam to escape through cracks overhead. Young readers will travel to active volcano sites around the world to discover the different characteristics and behavior of various volcanoes.

A friendly crow gives readers a bird's-eye view of earthquakes in action and introduces the basics of plate tectonics. The clear, concise text is full of fun facts and the dynamic illustrations convey a sense of motion. An experiment is also included that shows readers how to make their own earthquake.