| Author | Harold Lawlor |
| Contributing Writer | Harold Lawlor, Philip José Farmer, Robert Bloch, Will F. Jenkins, Isaac Asimov, Eando Binder, Fredric Brown, John Russell Fearn, Clark Ashton Smith |
| Series | Robot |
| Format | Unknown |
| Language | Spanish |
| Author | Harold Lawlor |
| Contributing Writer | Harold Lawlor, Philip José Farmer, Robert Bloch, Will F. Jenkins, Isaac Asimov, Eando Binder, Fredric Brown, John Russell Fearn, Clark Ashton Smith |
| Series | Robot |
| Format | Unknown |
| Language | Spanish |