A heart-stopping, nostril-burning sequel to the international bestseller "The Day My Butt Went Psycho." Can young Zack stop an invasion of Zombie Butts from taking over the planet? Or is Earth doomed to suffer the tyranny of the stinkiest space invaders this side of Uranus? Original.

Andy Griffiths is the New York Times bestselling author of The Day My Butt Went Psycho!, Zombie Butts from Uranus!, Butt Wars!: The Final Conflict, Just Stupid!, Just Wacky!, Just Annoying!, Just Joking!, and Just Disgusting! He lives in Australia with his wife, their kids, and his butt.