"It's Spring Break, and Mordecai and Rigby aren't stoked to be watching over the park while the rest of the crew kicks back, so when Rigby discovers a mysterious genie lamp, it's time for Benson to learn a lesson about appreciation ... but be careful what you wish for. It's a wild adventure that will take the gang from the shores of Genie Beach to the Gumball-scape inside Benson's head!"--Page 4 of cover.