Anna Casalis was born in Milan and graduated in Modern Literature from the university in her hometown. For several years she worked in educational publishing, collaborating on the preparation of history, geography, music, and art texts for high schools and middle schools. She spent several years in multimedia publishing, designing and contributing to the production, with the publisher Opera Multimedia, of a CD-ROM entitled Music, which was the first in Europe dedicated to teaching music to children. He has collaborated with various publishers specializing in educational and didactic texts and in recent years has almost completely abandoned educational publishing to devote himself to fiction for early childhood, editing and preparing texts for young children. - Vinicio Salvini is an Italian illustrator specializing in children's books for young children and works for various publishing houses.