Deathtrap by Ira Levin

Sidney Bruhl is languishing in his Connecticut home, struggling to overcome a bout of writer's block that has seen his Broadway success turn to near bankruptcy. But the answer may have just arrived when Sidney receives a fantastic script written by his former student, Clifford Anderson. Anderson just wants his mentor's opinion but Sidney will do whatever it takes to get back on Broadway. The DEATHTRAP has been set...but who will come out on top in this spine-chilling thriller?