Such a Good Liar

A parent might reach for this book when their teen is fascinated by complex social dynamics or is navigating friendships where trust is a major issue. This gripping YA thriller follows Lydia, who adopts a new identity to enroll in an exclusive boarding school. Her goal is to get close to Kate, a popular student she believes is her long-lost sister. As Lydia infiltrates Kate's tight-knit group of friends, she uncovers a web of secrets and lies that make her question everything she thought she knew about her own family. The book explores themes of honesty, loyalty, identity, and the danger of manipulation, making it a great choice for teens who love a fast-paced mystery that also prompts reflection on real-life relationships. It's best suited for mature young adult readers.