What happens when temperatures flare between a mother and son? A few degrees make all the difference in this New York Times bestselling author’s blazingly chilling story of psychological terror. It’s the hottest winter on record, but Raymond’s demanding, bedridden mother doesn’t mind. She likes it warm. Lately, however, control over the thermostat has become a nasty struggle. And each morning that she’s still alive is a suffocating new challenge for Raymond. How high can the mercury climb before he boils over? Jesse Kellerman’s Controller is part of Warmer, a collection of seven visions of a conceivable tomorrow by today’s most thought-provoking authors. Alarming, inventive, intimate, and frightening, each story can be read, or listened to, in a single breathtaking sitting.