por Andy Griffiths
Bum, de Andy Griffiths, es una serie de 4 libros.
The Day My Butt Went Psycho! / The Day My Bum Went Psycho!
2001
Zombie Butts From Uranus! / Zombie Butts from Uranus!
2003
Butt Wars: The Final Conflict / Bumageddon
2005
What Buttosaur is That? / What Bumosaur is That?
2007
17 libros
11 libros
5 libros
4 libros
3 libros