A Flaw in the Design by Nathan Oates

A professor's life is turned upside down when he takes in his charming, wildly dangerous nephew, whose wealthy parents have just died under mysterious circumstances, in this propulsive, edge-of-your-seat debut psychological thriller.
"An absolute page-turner . . . I read it in a single sitting."—Miranda Cowley Heller, bestselling author of The Paper Palace

The cleverest psychopaths hide in plain sight.
Gil is living a quiet life as a creative writing professor in a bucolic Vermont town, when he receives some shocking news: His sister and her husband have been killed in a car accident, and their only son is coming to live with him and his family.

Gil and his wife are apprehensive about taking in seventeen-year-old Matthew. Yes, he has just lost both his parents, but they haven't seen him in seven years—and the last time the families were together, Matthew lured their young daughter into...