This updated and revised edition of Horses from acclaimed science writer Seymour Simon gives an in-depth look at these fascinating creatures. From award-winning science writer Seymour Simon comes a completely revised and updated edition of Horses. With brand new full-color photographs, readers will learn how horses came to be domesticated, how to distinguish different breeds, the important roles they've served throughout history, and more. From stallions and mares, to Clydesdales and Palominos, this is sure to be a hit with horse-lovers and animal-lovers everywhere! This updated edition includes: * Author's note * Stunning full-color photographs * Glossary * Index * Additional reading sources Supports the Common Core Learning Standards, Next Generation Science Standards and the Science, Technology, Engineering, and Math (STEM) standards.