Jennifer Hillier is the renowned author of seven psychological thriller novels. Little Secrets was a national bestseller and made Hillier a finalist for the Los Angeles Times Book Prize and the Anthony Award. The novel’s success in the bookselling market has led to its forthcoming adaptation for Peacock. Prior to the publication of Little Secrets, Hillier established herself on the literary stage via her novels Jar of Hearts, Creep, Freak, The Butcher, and Wonderland. Jar of Hearts was also well-received; it won the ITW Thriller Award and was shortlisted for the Anthony and Macavity Awards. These accolades have reiterated Hillier’s reputation as a skilled writer in the psychological thriller genre. Hillier is particularly known for her ability to both entertain her readers while asking thought-provoking questions about human nature.

Hillier lived in Seattle, Washington, for eight years with her son and husband. These elements from her personal life feature in the plot line of Little Secrets. Therefore, Hillier’s representation of Marin Machado throughout the novel is authenticated by her own life. Furthermore, Hillier’s experiences as a woman, a mother, and an artist contribute to her deft representations of the female experience within both Marin’s and McKenzie Li’s storylines.