Robert Arthur
Books
- The Secret of Terror Castle 1964
- The Mystery of the Green Ghost 1979
- The Mystery of the Stuttering Parrot 1967
- The Mystery of the Whispering Mummy
- The Mystery of the Flaming Footprints 1971
- The Mystery of the Talking Skull
- The Mystery of the Fiery Eye
- The Mystery of the Vanishing Treasure 1966
- The Secret of Skeleton Island 1986
- The Mystery of the Silver Spider
- The Secret of the Crooked Cat 1973
- The Mystery of the Moaning Cave
- Ghost Stories
- The Mystery of the Screaming Clock 1978
- The three investigators
- Thrillers and More Thrillers
- The Golden Years of Science Fiction
- Ghosts And More Ghosts