| You Can Call It a Day | |
| Author: | Peter Cheyney |
| Country: | United Kingdom |
| Language: | English |
| Genre: | Thriller |
| Publisher: | William Collins, Sons |
| Release Date: | 1949 |
| Media Type: | |
| Pages: | 191 |
| Followed By: | Dark Bahama |
You Can Call It a Day is a 1949 thriller novel by the British writer Peter Cheyney who had gained a reputation for writing popular novels in the American hardboiled style.[1] It was the first of a trilogy featuring the private detective Johnny Vallon, a hard-drinking former army officer.[2] It was also published under the alternative title of The Man Nobody Saw.