 First edition | |
| Author | Gladys Mitchell |
|---|---|
| Cover artist | Kenneth Farnhill |
| Language | English |
| Series | Mrs Bradley |
| Genre | Mystery |
| Publisher | Michael Joseph |
Publication date | 1957 |
| Publication place | United Kingdom |
| Media type | |
| Preceded by | Twelve Horses and the Hangman's Noose |
| Followed by | Spotted Hemlock |
The Twenty-Third Man is a 1957 mystery detective novel by the British writer Gladys Mitchell.[1][2] It is the thirtieth in the long-running series of books featuring Mitchell's best known creation, the psychoanalyst and amateur detective Mrs Bradley.