Anna Casalis was born in Milan and graduated in Modern Literature at the university of her native city. For several years she worked in school publishing, collaborating in the preparation of History, Geography, Music and Art texts for high schools and colleges. He dedicated several years to multimedia publishing, designing and contributing to the production, with the publishing house Opera Multimedia, of a CD-ROM entitled Música, 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 didactic publishing to devote himself to early childhood fiction, editing and preparing texts for the very young. Vinicio Salvini is an Italian illustrator specialized in illustrating children's books for young children and works for several publishing houses.