This book is just at the right level of disgusting to keep kids interested! The whole premise is to describe how food is digested. but the enhance biomechanical lesson with remarkable record-breaking feats, "try this" type of mini at experiments, and explanations of why people have gas, etc. The book also has a one page index at the end so that you could utilize this book as a reference. There are very technical terms that are explained through illustrations and even invitations to find certain things in your body (ex: open your mouth and look in a mirror...) What's great about this book is that it is engaging enough for some students to read just as free-reading, but it is non-fiction so they will learn from it too. ( )