It is broken into primary categories while fully acknowledging that most of these books fit into multiple categories. Pre-tweens will enjoy reading it, and will get a laugh out of the comic statements made by the children in the book. This book will be an ongoing tool for your teen, proving to be a source of relevant information for many years. The relatable and frank writing style encourages teens to know the facts, and then provides all the information they might want. This is very much a problem in what is published in sex ed right now.