From New York Times bestselling adult author Joseph Fink comes a wickedly fun middle grade novel about a Halloween-obsessed girl named Esther Gold, who goes out trick-or-treating for one last year, only to find her town under the thrall of a mysterious presence. Esther Gold loves Halloween more than anything in the world. So she is determined to go trick-or-treating again this year despite the fact that her parents think she is officially too old...