When middle schooler Marty Pants discovers an alien plot to take over the world, no one, not his best friends Parker and Roongrat or his family or arch-enemy, Simon, believe him, so it is up to Mary to investigate and save the world.

This year, best friends Sophie and Agatha are about to discover where all the lost children go: the fabled School for Good & Evil, where ordinary boys and girls are trained to be fairy tale heroes and villains. As the most beautiful girl in Gavaldon, Sophie has dreamed of being kidnapped into an enchanted world her whole life. With her pink dresses, glass slippers, and devotion to good deeds, she knows she'll earn top marks at the School for Good...