The third volume of the bestselling Hampstead Murders sees the team become involved with a suspicious death at a crime writers' convention Is this the result of a bitterly contested election for the Chair of the Crime Writers' Association or are even darker forces at work? Peter Collins who is attending the convention as the author of a new book on poisoning in Golden Age fiction worries that the key clue to unlock this puzzle may be buried within his own memories A character called Miss Marple offers her advice but how should the police receive this? Meanwhile an act of sudden shocking violence & a dramatic revelation threaten tragic consequences