21st Century Sub
| First published | 1956 |
|---|---|
| Publisher | Avon |
| Format | Paperback |
| Type | Novel |
| Catalog ID | T-146 |
| Cover art | Art Sussman |
| Pages | 190 |
| Price | $0.35 |
- First Avon printing.
- ©1956, no other statement of publication/printing.
- Month of publication from Avon #S290 copyright page
- Artist's signature on the artwork.
- Cover has "Complete and Unabridged"
| Year | Reviewer | Publication |
|---|---|---|
| 1962 | P. Schuyler Miller | Analog Science Fact -> Science Fiction, April 1962 |
| 1962 | Alfred Bester | The Magazine of Fantasy and Science Fiction, July 1962 |
| Title | Year | Publisher | Format | Type | Catalog ID | Cover Artist | Pages | |
|---|---|---|---|---|---|---|---|---|
| 21st Century Sub |
|
1961 | Avon | Paperback | Novel | G-1092 | Art Sussman | 190 |
| 21st Century Sub |
|
1961 | Avon | Paperback | Novel | G-1092 | Art Sussman | 190 |