Discover the story of human and animal skeletons—their evolution, structure, and function with DK Eyewitness Books: Skeleton. The skeleton is the framework of the body as it supports, moves, and protects us. It examines in detail the construction of the skull, spine and rib cage, hands, arms, legs, and feet and comapres us to the bones of birds, reptiles, fish, and mammals. Learn about the 206 different bones and how they function in you! The most trusted nonfiction series on the market, Eyewitness Books provide an in-depth, comprehensive look at their subjects with a unique integration of words and pictures.