"The definitive pre-puberty guide for talking about the P word"--Back cover

Learning the basics -- Getting rid of waste -- Marking territory -- Reproduction -- Keeping it clean and healthy

This easy-to-understand manual gives readers an overview of how and why penises work. Weaving together surprising insights and instructive illustrations about humans and other mammals, this frank and fun book is the ultimate guide to having a penis and keeping it healthy. Refreshingly gender-neutral and inclusive, award-winning scientist David L. Hu draws on human anatomy and comparative biology to introduce kids to this amazing organ

Ages 7-12