(From the publisher):
Based on a play by the famed Agatha Christie, adapted by Charles Osborne.
An urgent call from physicist Sir Claud Amory sends famed detective Hercule Poirot rushing from London to a sprawling country estate. Sir Claud fears a member of his own household wants to steal a secret formula destined for the Ministry of Defence. But Poirot arrives too late. The formula is missing. Worse, Sir Claud has been poisoned by his after-dinner coffee. Poirot soon identifies a potent brew of despair, treachery, and deception amid the mansion's occupants. Now he must find the formula and the killer... while letting no poison slip 'twixt his own lips.
Original title: Black Coffee
Genre: Fiction→ Crime and Mystery→ Detective Story and Detectives→ Private Detective