Imprint 2
 | Vampires of Venus | Mass-Market Paperback |
 | Incidences | Trade Paperback |
Publisher 3
 | The Nets of Space | Paperback |
 | Another End | Paperback |
 | Double Fault | Paperback |
Added by Supernaut1970
| Vampires of Venus | Mass-Market Paperback |
| Incidences | Trade Paperback |
| The Nets of Space | Paperback |
| Another End | Paperback |
| Double Fault | Paperback |