Zusak is the author of six books. His first three books, The Underdog, Fighting Ruben Wolfe, and When Dogs Cry, released between 1999 and 2001, were all published internationally. The Messenger, published in 2002, won the 2003 CBC Book of the Year Award (Older Readers) and the 2003 NSW Premier's Literary Award (Ethel Turner Prize) in Australia and was a runner-up for the Printz Award in America.
The Messenger (I Am the Messenger in the United States) was published in 2002 and was one of Zusak's first novels. This novel has won awards such as the New South Wales Premier's Literary Awards: Ethel Turner Prize for Young People's Literature.