Takes you soaring through the sky and around the world in an exciting journey from the bird's distant dinosaur past to its present astonishing variety. Take an up-close look at the staggering range of sizes, shapes, and habitats of these creatures.

Learn amazing facts about rocks, gems, and the Earth itself.

Takes you deep into the waters of the world to discover some of the most exotic creatures in nature. Take the plunge from dazzling coral reefs to the darkest depths to meet fish--a vast and varied group of animals.

Takes you on a twisting journey down the great rivers of the world, pausing to visit the thriving realm of freshwater ponds. Travel upstream to find civilization's source - then down again to see the key to our very survival.

Takes you down into the murky world of sharks and their relatives, reveals what motivates these fascinating creatures, and dispels some myths about their behavior. Discover a shark that can fit in your hand and a shark that eats only plankton--and learn that not all sharks are killing machines.

Follows the journey of these mysterious and adored animals from the African savanna to the modern home. Along the way, discover the secret lives of felines great and small--their evolution, anatomy, habitat, behavior, and more.

Dives into the front line between land and sea. From crashing waves and blasting winds to placid tide pools, discover what makes our coastlines so alluring to the masses of wildlife and humans who gather there.