A standalone mystery from a New York Times bestselling, Edgar Award-winning author set in a contemporary world tinged with magic, in which two sisters spend summer vacation in a small town in the shadows of abandoned amusement park that is not what it seems. Ivy and Dahlia Vicar know this summer’s trip to visit friends in Rialto, Missouri, is going to be different from their usual family vacations. Twelve-year-old Dahlia, an artist who lives with anxiety, is looking forward to something new. Rialto, after all, has its own abandoned theme park! But mystery-loving, fourteen-year-old Ivy is struggling with how to be the right kind of big sister to Dahlia, and longs for the way things—especially vacations—were when they were younger. In Rialto, it quickly becomes clear that this vacation will also be different in totally unexpected ways. For one thing, the town stands in the middle of an improbable forest that, according to local legend, swallowed it overnight decades before. Then there