Through diagrams, hands-on experiments, and biographies, this book introduces earthquakes, a shaking or trembling of the ground when rocks along a crack in Earth's surface suddenly shift.

Photographs and text introduce children to the physical characteristics, natural habitats, history, life cycles, and folklore of cougars.

Did you know that American bison are the largest land mammals in North America? Bison live in small groups called bands. Sometimes, bands join together to form a large herd. Learn more about the bison in this informative book.

Examines the desert biome's important features, plants, and animals and how they all work together to support life.

"Little scientists and explorers will learn all about animals from around the world, pre-historic life, the environment, plant life and so much more with these interactive games and puzzles. This SuperPack contains 2X as many apps as the standard Launchpad. Discover animals from Africa to North America; Unearth information about the environment; Discover biospheres and ecosystems."--

"Full-color photographs and simple text provide a brief introduction to the Milky Way galaxy"--Provided by publisher.

"Interactive science, technology, engineering, art and math based games will help children develop their imagination, creativity, thinking skills, and so much more! This SuperPack contains 2X as many apps as the standard Launchpad. Build clever inventions; Explore modeling and animation; Strengthen problem-solving and critical thinking skills."--

"Full-color photographs and simple text describe space vehicles and the work they perform"--Provided by publisher.

Kids will boost their concentration and discovery skills as they solve difficult puzzles, master memory games, find hidden objects and more!

"Journey to the rain forest by inspecting the biome's key characteristics, animals, and plants. Readers will explore how they all work together to support life in a rain forest"--