| The Twenty-One Clues | |
| Author: | J.J. Connington |
| Country: | United Kingdom |
| Language: | English |
| Series: | Sir Clinton Driffield |
| Genre: | Detective |
| Release Date: | 1941 |
| Media Type: | |
| Preceded By: | For Murder Will Speak |
The Twenty-One Clues is a 1941 detective novel by the British author Alfred Walter Stewart, published under his pseudonym J.J. Connington.[1] It is the fourteenth in a series of seventeen novels featuring the Golden Age Detective Sir Clinton Driffield, the Chief Constable of a rural English county. It was published by Hodder and Stoughton in London and Little, Brown and Company in the United States.[2]
Two bodies are spotted by an engine driver in some bracken close to the railway line. A man and a woman, unmarried to each other and rumoured to have had an affair despite their respectable backgrounds, have apparently taken part in a suicide pact.