Author(s): Andy Griffiths
First there was The Day My Bum Went Psycho... Then there was Zombie Bums from Uranus... Now, Join Zack Freeman and his bum in the pongflict to end all pongflicts... Bums! Action! Adventure! Romance! Robots! Time travel! Prehistoric bums! Giant brown blobs! Huge arseteriods! And more bums!