Andy Griffiths 
Zombie Butts from Uranus! [EPUB ebook] 

In this exciting sequel to The Day My Butt Went Psycho, a boy and his butt must protect the planet from ruthless rumps from outer space.Zack Freeman is on his way to becoming a first-rate butt-fighter. He has gone butt-to-butt with all kinds of stinky scoundrels and butts-gone-bad. But even our doody-full hero is a-gassed by these latest stench invaders.Their odor is unstoppable.Their mission is downright foul.And they won’t rest until Earth is wiped away by their nasty fumes! They’re Zombie Butts from Uranus! And the galaxy is but one boy (and his butt) away from total reek-dom . . . Praise for Zombie Butts from Uranus"Delivers innumerable gag-worthy gags." -Publishers Weekly