The Singing Sands. Illustrated

The Singing Sands by Josephine Tey is the sixth and final installment in the Inspector Alan Grant series, offering a unique and introspective mystery that delves into the psychological depths of its protagonist. The novel begins with Inspector Grant on medical leave, traveling to Scotland to recuperate from his struggles with claustrophobia and exhaustion.
During his journey, Grant stumbles upon a seemingly ordinary death in a train compartment. A young man, Patrick Ashby, is found dead, and the only clue is a cryptic note about the "singing sands" found near the body. Despite his need for rest, Grant's curiosity is piqued, and he finds himself drawn into an investigation that takes him from the Scottish Highlands to the remote Hebrides.
As Grant delves deeper into Ashby's life, he uncovers a story filled with tragedy, deception, and unfulfilled dreams.