Sister

When Beatrice receives a call informing her that her younger sister, Tess, is missing, she boards the first flight to London. However, upon discovering the circumstances of her disappearance, she realizes she knows nothing about her sister's life and is unprepared for the horrific events she must face. While the police, her own fiancé, and her mother come to terms with Tess's loss, Beatrice refuses to give up and sets out on a dangerous journey to uncover the truth, regardless of the consequences. New York Times and Sunday Times bestseller. "Extraordinary! Captivating and beautifully crafted, Sister is that rare place where crime fiction and literary excellence meet." – Jeffery Deaver