You may laugh at the title and the subject matter, but this is a very smart book. The story teaches kids what happens to your body when you have diarrhea. Speaking as a child who used to get tummy aches when she was sick, like the little moose, and did not know what was wrong either, I think that's a great thing to explain in a friendly little book. We have all had it and dealt with it at one point in our lives, so I think this is a story kids absolutely need to have at home. This book also comes with a little handbook for parents on how to take care of a child with gastroenteritis.