An animal's eyes provide it with information about its encounters with other animals and its habitat. This book is filled with important and exciting facts about how animals see, such as deer, eagles, dragonflies, cats, and squids. It includes how animal eyes are constructed, how they work in different environments, and how different animals use sight to stay safe, find food, and experience the world around them. Comparisons between animal eyesight and human eyesight are also included. Photographs, diagrams, and maps make this book even more exciting and informative.