The Moon Within by Aida Salazar

A preteen girl's menstruation, or moon cycle, celebration coincides with her decision that she is both girl and boy.

This book contains alternate gender ideologies and non-sexual nudity.

This book is about a biological girl who decides that she is Gender Fluid. She is feels like a boy one day and another day a girl. This book also talks about a girls "happy button" in her private area.