I Capolavori di Urania #325bis
January 1964
| Editor | Carlo Fruttero |
|---|---|
| Cover art | Karel Thole |
| Publisher | Mondadori |
| Price | Lit 200 |
| Pages | 192 |
Sinister Barrier was translated by Giorgio Monicelli as "Schiavi degli invisibili"
| Page | Type | Kind | Title | Author(s) |
|---|---|---|---|---|
| 3 | Serial | Fiction | Schiavi degli invisibili (Complete Novel) | Eric Frank Russell |
| Page | Type | Kind | Title | Author(s) |
|---|---|---|---|---|
| Cover Art | Non Fiction | I Capolavori di Urania #325bis | Karel Thole | |
| Editor | Non Fiction | I Capolavori di Urania - 1964 | Carlo Fruttero |