Ever wondered what it would be like to shrink down to the size of a pea and explore your own insides? Well, here's your chance! Tunnel your way through the internal organs of the human body through the windows cut in this unique book. Travel through the mouth, esophagus, stomach, intestines, blood, liver, heart, lungs, kidneys, brain and eye. Contains a glossary and index. 32 pages, paperback, 9 3/4"x12".