Series: Bum Trilogy

The blockbusting conclusion to the universally bestselling Bum Trilogy! Bumageddon sees Zack Freeman and his bum thinking their world-saving days are over. That is, until they are attacked by an army of Great White Bumosaurs from 65 million years ago! Along with some old friends, they must travel back in time to save the world—again—from the bum-filled past.