We're rounding up the best books about puberty and reproduction for kids to guide discussions with your boys and girls in an age-appropriate way. Parents share the books that they have found most useful in helping to explain sex and reproduction, body changes, menstruation, and more facts of life. Whether you've got a young child with a new sibling on the way wondering where babies come from or a tween navigating puberty, we hope these books about the human body will help!