| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1969 |
|
Kar Kaballa / Tower of the Medusa | Ace Books | Omnibus | 5 |
| February 2011 |
|
Tower of the Medusa | Wildside Press | Novel | |
| February 2011 |
|
Tower of the Medusa | Wildside Press | Novel | |
| November 2018 |
|
Tower of the Medusa | Gateway / Orion | Novel |