A Trip Through the Human Body

If It Were Possible To Shrink Down And Take A Tour Of A Human Body, Would You Want To Go? Readers Will Get That Chance When They Explore The Body Of A Guy Named Marty, Who Will Let Them Check Out The Body Systems That Keep His Heart Beating And His Body Moving Every Day. With The Help Of A Tiny Ship That Goes Through His Ears And All The Way Through His Digestive System, Readers Will Learn Exactly What They Are Made Of With This Great Book.