From the biggest Shire horse to the smallest pony, horses have been invaluable to people in work, sports, and leisure for centuries. Featuring more than 125 individual breeds of horses, ponies, and their cousins — zebras, mules, and donkeys — Pocket Genius: Horses looks at the anatomy and behavior of these beautiful animals at work and play. Young readers can learn about their color, markings, and evolution, plus read up on mythical horses, horses in literature, and famous stud farms around the world in this pocket-size encyclopedia.