| First edition cover of Knock-Out | |
| Author | H. C. McNeile (as Sapper) |
|---|---|
| Language | English |
| Series | Bulldog Drummond |
| Genre | Crime fiction |
| Publisher | Hodder & Stoughton |
Publication date | 1933 |
| Publication place | United Kingdom |
| Media type | Print (Hardcover) |
| Pages | 317pp |
| OCLC | 54391529 |
| Preceded by | The Return of Bulldog Drummond |
| Followed by | Bulldog Drummond at Bay |
Knock-Out was the eighth Bulldog Drummond novel. It was published in 1932 and written by H. C. McNeile under the pen name Sapper. [1] [2] It was adapted into the film Bulldog Drummond Strikes Back .