The Secret Vanguard
First edition (UK) | |
| Author | Michael Innes |
|---|---|
| Language | English |
| Series | Sir John Appleby |
| Genre | Detective/Thriller |
| Publisher | Gollancz Dodd, Mead (US) |
Publication date | 1940 |
| Publication place | United Kingdom |
| Media type | |
| Preceded by | Stop Press |
| Followed by | There Came Both Mist and Snow |
The Secret Vanguard is a 1940 thriller novel by the British writer Michael Innes. It is the fifth in his series featuring John Appleby, a young Detective Inspector in the Metropolitan Police. The novel takes place in the early stages of the Second World War, and functions closer to a mystery spy novel than the traditional detective novel.