The Riddle of the Flying Saucers: Is Another World Watching?
| Format | Hardback |
| Language | English |
| First Printing | 1950 |
| Publisher | Carroll & Nicholson |
| About/Subject | UFO: Unidentified flying object* |
| Format | Hardback |
| Language | English |
| Location | London, England |
| First Printing | 1950 |
| Pages / Font | 157 pages |