31 YA Mystery Books that are Absolute Must-Reads

Set in Korea in 1758, June Hur's "The Red Palace" ($11) follows 18-year-old Hyeon, who manages to secure a coveted position as a palace nurse. But when four women are found murdered within the palace's walls and Hyeon's friend is accused of the crime, she suddenly finds herself diving deeper and deeper into the labyrinthine worlds of the law, court politics, and mysterious motives.