General Collection
| Title | Author | Year |
|---|---|---|
| X Marks the Spy | Lancer | 1967 |
| X-Rated: The Paranormal Experiences of the Movie Star Greats | Munn | 1996 |
| X Troop: The Secret Jewish Commandos of World War II | Garrett | 2021 |
| Title | Author | Year |
|---|---|---|
| X Marks the Spy | Lancer | 1967 |
| X-Rated: The Paranormal Experiences of the Movie Star Greats | Munn | 1996 |
| X Troop: The Secret Jewish Commandos of World War II | Garrett | 2021 |