Expansion of the novel Castaway's World (1963), which was about 45,000 words, "Polymath" is about 62,000 words.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1974 |
|
Polymath | DAW Books | Novel | 5 |
| January 1974 |
|
Polymath | DAW Books / New American Library of Canada | Novel | 5 |
| January 1976 |
|
Polymath | DAW Books | Novel | 5 |
| January 1976 |
|
Polymath | DAW Books / New American Library of Canada | Novel | 5 |
| April 1979 |
|
Polymath | DAW Books | Novel | 5 |
| April 1979 |
|
Polymath | DAW Books / New American Library of Canada | Novel | 5 |
| September 1982 |
|
Polymath | DAW Books | Novel | |
| September 1982 |
|
Polymath | DAW Books / New American Library of Canada | Novel | 5 |
| March 1989 |
|
Victims of the Nova | Arrow Books | Omnibus | 7 |
| September 2011 |
|
Polymath | Gateway / Orion | Novel |