About Davide Ortu Davide Ortu is an Italian artist now living in Spain. He studied Art at Cagliari Arts Lyceum in Foiso Fois, Sardinia. He now lives in Madrid where he enjoys the world of children's book illustrations. Books by Davide Ortu Digger Dig or Die! by (author) Deborah Cholette illustrated by Davide Ortu Ages 9 to 12 Grades 4 to 6