From the great white to the tiny dwarf lantern, Pocket Genius: Sharks profiles more than 150 sharks and rays and tells what they eat, where they live, and how fast they swim. Young readers will discover fascinating facts about these predators of the ocean including which species are the fastest, the largest, the smallest, and which are the hunters and the hunted. Redesigned in paperback, DK's best-selling Pocket Genius series is now available in an engaging compact and economical format that is ideal for both browsing and quick reference for use in school and at home. Catalog entries packed with facts provide at-a-glance information, while locator icons offer immediately recognizable references to aid navigation and understanding, and fact files round off the book with fun facts such as record breakers and timelines. Each pocket-size encyclopedia is filled with facts on subjects ranging from animals to history, cars to dogs, and Earth to space and combines a child-friendly layout with engaging photography and bite-size chunks of text that will encourage and inform even the most reluctant readers.