This is a very tastefully done, thorough book; 184 pages. Includes "100 ways parents and kids can share the miracle of the human body." Chapters include the skin, skeleton, muscles, lungs, brain, etc. Some really neat experiments such as building a lever (with household materials) to demonstrate how joints work. This is a semi-hardover book, used once, slight wear on cover, $15 ppd. Check or money order only please.