Mía is nine years old and in this book she tells us all about the amazing adventure of growing up, as she discovers the changes her body will make during puberty. She has questions about bosoms, bras, depilation, periods, and tampons, and her doctor answers them all. Growing up is a great adventure and the more she knows the better. This book is written by a paediatrician and endocrinologist about the changes that come with puberty, with illustrations by Cristina Losantos