About Maurizio Quarello MAURIZIO A.C. QUARELLO is an award-winning Italian illustrator of more than 30 children's books. Books by Maurizio Quarello Mister Doctor Janusz Korczak & the Orphans of the Warsaw Ghetto by (author) Irène Cohen-Janca illustrated by Maurizio Quarello Ages 9 to 12 Grades 4 to 7