Hercule Poirot, The Murder on the Links (Unabridged)

When a man is found dead in a freshly dug grave adjacent to a golf course, Hercule Poirot and Captain Hastings arrive on the scene only to be met by a hostile local police detective who is unwilling to share information. But Poirot's methodical investigation slowly and surely reveals the real killer amid a host of suspects and clues, including an impassioned love letter and heavy lead piping found near the body. However, as Poirot and Hastings are rushing to solve the murder, when a similarly slain corpse is and fresh clues are discovered and the investigators are able to find fresh clues.