Sue Wallman is an acclaimed British author known for her work in young adult fiction, particularly in the thriller and mystery genres. She gained recognition with her debut novel, "Lying About Last Summer," which was selected for the Zoella Book Club in 2016. Wallman's writing is praised for its psychological depth, gripping plotlines, and well-developed characters that resonate with a teen audience. Her other novels often explore themes of family dynamics, secrets, and the complexities of adolescent life. Wallman has established herself as a prominent voice in YA literature, contributing to the genre with her engaging storytelling and suspenseful narratives.