"A winner: tense and terrifying with a twist you’ll never see coming. You won’t soon forget these characters and the shocking ways their lives intersect." -

A seemingly perfect suburban life is shattered when an illicit affair leads to murder in the USA Today–bestselling author’s “gripping psychological thrill

**THE INSTANT #1 NEW YORK TIMES BESTSELLER** "An unforgettable—and Hollywood-bound—new thriller... A mix of Hitchcockian suspense, Agatha Christie plotting,

An orphaned teen investigates the deaths of her demonologist parents in this occult mystery and coming of age tale by a New York Times–bestselling author. “

A New York Times Book Review Editors' Choice • A Good Morning America Recommended Book • A LitReactor Best Book of the Year • A BuzzFeed Most Anticipated