The 2021 edition is a revised and extended version but it is not clear how different it is from the original.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1975 |
|
A Plague of Nightmares | Zebra Books / Kensington Publishing Corp. | Novel | |
| July 1977 |
|
A Plague of Nightmares | Zebra Books / Kensington Publishing Corp. | Novel | 5 |
| January 2025 |
|
The Dream Lords | Cirsova Publishing | Omnibus | |1 |
| January 2025 |
|
The Dream Lords | Cirsova Publishing | Omnibus | |1 |