| The Three Oak Mystery | |
| Author: | Edgar Wallace |
| Country: | United Kingdom |
| Language: | English |
| Genre: | Crime |
| Release Date: | 1924 |
| Media Type: | |
The Three Oak Mystery is a 1924 crime novel by the British writer Edgar Wallace.
In 1960 it was turned into the film Marriage of Convenience, directed by Clive Donner as part of a long-running series of Wallace films made at Merton Park Studios.[1]