Il pianeta degli schiavi (Complete Novel)
| First published | February 1964 |
|---|---|
| Type | Serial |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1964 |
|
Urania #328 | Mondadori | MAGAZINE | 3 |
| October 1978 |
|
Urania #760 | Mondadori | MAGAZINE | 3 |