The twisty locked-room mystery from two-time Mary Higgins Clark Award-winning author Carol Goodman, about a group of former classmates trapped on their college campus--with a murderer among them. "One of the best and smartest locked-room mysteries I've read in a long time. A page-turner with both heart and brains. Don't miss it "--David Bell, New York Times bestselling author of Try Not to Breathe and She's Gone It's been twenty-five...