Andy Griffiths

The Day My Bum Went Psycho is a novel for children by Australian author Andy Griffiths. "Bum" is a slang word used in many English-speaking countries for the buttocks; in North America the term "butt" is used instead, and the book is published there under the title The Day My Butt Went Psycho. The protagonist is a boy …

Zombie Bums from Uranus is a novel by Australian children's author Andy Griffiths, and is the second part of Griffiths' Bum trilogy. The book was released in 2003 worldwide, however, the United States version was titled Zombie Butts from Uranus as opposed to Zombie Bums from Uranus.