Why Didn't They Ask Evans? (1980)

This intriguing story is set in the 1930s at a country house, where two amateur sleuths, Bobby Jones and Lady Frankie Derwent, try to unravel the mystery behind a tale of murder, suspense and false identities. And the only clues the two have to go on are the puzzling last words of a dying man. Featuring characters created by Agatha Christie, Why Didn't They Ask Evans is a classic crime thriller sure to please murder-mystery fans.