In this most dangerous game, The Sphinx, iron-nerved spy, was instructed—“Suspect everybody! And remember, murder is nothing in this business.” Collecting—for the first time—the entire series. Part of The Uniform H. Bedford-Jones Library.
The Sphinx Strikes by H. Bedford-Jones contains the following stories:
- “Spy Against Europe”
- “Free-Lance Spy”
- “The Sphinx Strikes”