Alberto Pellai, MD, PhD, is a child psychotherapist and a researcher at the Department of Bio-medical Sciences of the University of Milan. He is the author of numerous books for parents, teachers, teenagers, and children. He lives in Italy. Barbara Tamborini is a psycho-pedagogist and writer. She leads workshops in schools for teachers and parents. She is the author with Alberto Pellai of several books aimed at parents. She lives in Somma, Italy. Elisa Paganelli worked as a graphic designer for several years and set up her own award-winning design studio, Teapot Graphic Design, before following her true passion for illustration.