This cheerful picture book from two professional sexuality educators introduces children to scientific facts about penises in a shame-free and accessible way.

Head, shoulders, knees, and . . . penises! Young children are curious about all body parts.

With bright illustrations, readable language, and a matter-of-fact tone, this guide offers readers the information they need to understand how bodies work.

All About Penises is a book that embraces body diversity, reassures kids, and provides caregivers easy ways to answer the common questions that children have.

Additional guidance for parents and caregivers includes more information on being an askable parent and how to talk to young children about sensitive topics.