The book _I Let You Go_ by Clare Mackintosh is a gripping psychological thriller that has become a Sunday Times bestseller. With over *1 million copies sold*, it celebrates 10 years as part of the Richard & Judy Book Club, endorsed by author Jojo Moyes who says, “I could not put it down.” The novel follows a devastating tragedy that forces a mother to confront secrets, guilt, and the fragile nature of truth, keeping readers on edge until the final reveal. Perfect for fans of intense, character‑driven suspense and twist‑filled narratives.