Jennifer McMahon's extraordinary debut novel is a story of friendship and family, betrayal and murder. Tautly written, haunting and unforgettable, this is a stunning debut. Perfect for anyone who enjoyed SHARP OBJECTS. PROMISE NOT TO TELL has already received terrific reviews in the States: 'Combining murder mister and coming-of-age with supernatural elements, this taut novel is above all a reflection on the haunting power of memory' Entertainment Weekly. 'Part mystery-thriller, part ghost story - McMahon does a particularly good job of portraying the cruelty of schoolchildren' Publishers Weekly. 'McMahon's gift is the deliciously twisty way she subverts all your expectations, keeping you guessing with wry wit and feverish chills. "The dead can blame", one character says. And the truth, this whip-smart novel reminds us, can break your heart' People.

"creepy and convincing" CANDIS "an interesting variant of American Gothic" -- Carla McKay DAILY MAIL "A story of betrayal that will keep you guessing at every turn" ASDA MAGAZINE "Part ghost story, part psychological thriller, this is a powerful novel of adolescent friendship, betrayal and murder" LIVING NORTH

Jennifer McMahon grew up in suburban Connecticut, and graduated from Goddard College in 1991. Over the years, she has been a house painter, farm worker, paste-up artist, pizza delivery person, homeless shelter staff member, and has worked with mentally ill adults and children in a few different capacities. She lives in Vermont and Promise Not To Tell is her first novel.