Proceed with Caution
First edition (UK) | |
| Author | John Rhode |
|---|---|
| Language | English |
| Series | Lancelot Priestley |
| Genre | Detective |
| Publisher | Collins (UK) Dodd Mead (US) |
Publication date | 1937 |
| Publication place | United Kingdom |
| Media type | |
| Preceded by | Death on the Board |
| Followed by | Invisible Weapons |
Proceed with Caution is a 1937 detective novel by John Rhode, the pen name of the British writer Cecil Street. It is the twenty-seventh in his long-running series of novels featuring Lancelot Priestley, a Golden Age armchair detective. It was published in the United States the same year by Dodd Mead under the alternative title Body Unidentified.