Dennis Summers
Pseudonym of G. J. Barrett
4 English-language books
| Year | Type | Title | Author(s) |
|---|---|---|---|
| 1976 | Novel | A Madness from Mars | Dennis Summers |
| 1976 | Novel | Stalker of the Worlds | Dennis Summers |
| 1977 | Novel | Master of Ghosts | Dennis Summers |
| 1977 | Novel | Robot in the Glass | Dennis Summers |