Claret and Cyanide — Robert Stone

In a story that will appeal to lovers of wine and to devotees of murder mysteries, Harry Benson is The Wine Detective. When a member of an elite wine tasting group is poisoned, Harry is called in by the police to help their investigation; Harry has a unique gift: he can instantly recognise a wine he has previously tasted.The investigation into the murder results in Harry realising that a big fine wine swindle is going on. The action moves from Scotland Yard to the Old Bailey via Bordeaux, Hong Kong and Bali. Harry's the only person who can stop the swindle and bring the murderer to justice, but his life is complicated by a developing romance - with a policewoman!