Jennifer Hillier is the internationally bestselling author of Things We Do in the Dark (Thriller Award winner, 2023), described as “an intoxicating thrill ride” by the New York Times and “propulsive and chilling” by People magazine. She's also the author of six more thrillers: Little Secrets (L.A. Times Book Prize nominee, 2021), Jar of Hearts (Thriller Award winner, 2019), Wonderland, The Butcher, Freak, and Creep. Her novels have been published in 23 languages. A Filipino-Canadian, she was born in Toronto and spent several years in Seattle, WA before returning home to Oakville, Ontario with her family.

Stacy Willingham is the New York Times, USA Today and internationally bestselling author of psychological suspense. Her books include A Flicker in the Dark, All the Dangerous Things, Only If You're Lucky and Forget Me Not. Her debut, A Flicker in the Dark, has sold over one million copies in North America alone. It was the winner of Strand Magazine's Best Debut Award and a finalist for the Book of the Month's Book of the Year award, Goodreads Choice Best Debut award, Goodreads Choice Best Mystery & Thriller award, and ITW's Best First Novel award. Her work has been translated in more than thirty languages.