31 YA Mystery Books that are Absolute Must-Reads

Inspired by Daphne du Maurier's "Rebecca," "I Killed Zoe Spanos" ($11) by Kit Frick is a psychological masterpiece of a young adult thriller. The book follows Anna Cicconi, whose dream nanny gig in the Hamptons turns into a nightmare when she realizes she looks just like Zoe Spanos, a local teen who has been missing for months. When Zoe's body is found, suspicion falls on Anna, who must rely on a young podcaster to clear her name.