Mardi

Tuesday, written and illustrated by David Wiesner, is a 1991 wordless picture book published by Clarion Books. Tuesday received the 1992 Caldecott Medal for illustrations and was Wiesner's first of three Caldecott Medals that he has won during his career. Wiesner subsequently won the Caldecott Medal in 2002 for The Three Pigs, and the 2007 medal for Flotsam.It is also a book frequently used as part of the Autism Diagnostic Observation Schedule, where the person is usually asked to make a story out of it.