He is best known for The Book Thief and The Messenger ( US title , I Am the Messenger ) , two novels for young adults which became international bestsellers .
Markus Frank Zusak ( born 23 June 1975 ) is an Australian writer .
Markus Frank Zusak is best known for The Book Thief and The Messenger ( US title , I Am the Messenger ) , two novels for young adults which became international bestsellers .
Markus Frank Zusak ( born 23 June 1975 ) is an Australian writer .