[Skyhorse Publishing] What happened at the river last night? A twisty psychological thriller for readers of Megan Miranda, Megan Abbot, Taylor Adams, and Catriona Ward Sometime between the late night and early morning hours, in a dank, uncomfortable interrogation room, sits a young woman about to tell you a chilling story. Her pregnant sister, Sarah, is missing. Her cousin is somehow involved. They were all down by the Schuylkill River last night, she says, but she won’t say why. She’s cold, terrified, and confused about what happened. Or is she just lying? You want to believe her. Her story seems plausible on the surface. But as you dig deeper, it’s clear something is very wrong. Instead of helping to find her sister, she keeps telling you stories about her ex-roommate, Gemma. Gemma, who came into their lives offering a six-month cash deposit up front, proffered from a dirty gym bag. Gemma, who disrupted their routines with her manipulative behavior, her bizarre habits