13 Minutes by Sarah Pinborough

The book is a psychological thriller that delves into the complexities of teenage friendships and the dark undercurrents that can run beneath seemingly perfect lives. It follows the story of a popular high school girl who is found nearly drowned and left for dead, only to survive with no memory of the events leading up to her near-death experience. As she tries to piece together what happened, she begins to suspect those closest to her, uncovering secrets and betrayals that challenge her understanding of trust and loyalty. The narrative explores themes of manipulation, jealousy, and the often brutal social dynamics of adolescence.