“McMahon unfurls a whirlwind of suspense...Combining murder mystery and coming-of-age tale with supernatural elements, this taut novel is above all a reflection on the haunting power of memory.” — Entertainment Weekly
“One of the brightest new stars of literary suspense.” — Los Angeles Times
“Deeply disturbing and darkly compelling, PROMISE NOT TO TELL will have you looking over your shoulder for the Potato Girl long after you’ve turned the last page.” — Sara Gruen, bestselling author of WATER FOR ELEPHANTS
“Part ghost story, part whodunit and part coming-of-age tale, PROMISE NOT TO TELL takes you through the twisted world of adolescent friendship, betrayal and murder. An ambitious debut by Jennifer McMahon that will make you look forward to her next.” — Pam Lewis, author of SPEAK SOFTLY, SHE CAN HEAR
“I loved this book. I was entertained, terrified, and held captive until it was done. I could not put it down.” — Sara Gran, author of COME CLOSER and DOPE
“‘What’s the worse thing you’ve ever done?’ That is the question, posed by a stranger, that 41-year-old Kate Cypher can’t get out of her mind in McMahon’s impressive debut…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
“Well-plotted suspenseful fun.” — Kirkus Reviews
“Part mystery-thriller and part ghost story, McMahon’s well-paced debut alternates smoothly between past and present…McMahon does a particularly good job of portraying the cruelty of school children.” — Publishers Weekly
“This assured, ambitious debut novel offers an unusual mix of mystery novel and ghost story...” — Booklist
“A great, dark, spooky book for the summer.” — Today Show