The Invisible Empire
| First published | April 1986 |
|---|---|
| Type | Novel |
| Series | Agent 13 the Midnight Avenger #1 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1986 |
|
The Invisible Empire | TSR | Novel | |
| June 1988 |
|
The Invisible Empire | Random House | Novel | |
| September 2013 |
|
The Complete Agent 13 Trilogy | Pulp 2.0 Press | Omnibus | 5|3 |