Four-Sided Triangle
| First published | 1949 |
|---|---|
| Publisher | John Long |
| Format | Hardcover |
| Type | Novel |
| Cover art | Roger Hall |
| Pages | 240 |
| Price | 9/6 |
- "Printed in Great Britain by the Anchor Press" on copyright page.
- No credit for jacket art, but signature "Hall" is visible, and Roger Hall is credited by sf-encyclopedia.com.
| Year | Reviewer | Publication |
|---|---|---|
| 1949 | uncredited | New Worlds, Volume 2, Number 5 |
| 1949 | Thomas Sheridan | Science-Fantasy Review, Autumn 1949 |
| 1950 | uncredited | Thrilling Wonder Stories, February 1950 |
| 1951 | Groff Conklin | Galaxy Science Fiction, May 1951 |
| 1951 | Carolyn Gaybard | Fantasy Advertiser, June 1951 |
| 1951 | P. Schuyler Miller | Astounding Science Fiction, October 1951 |
| Title | Year | Publisher | Format | Type | Catalog ID | Cover Artist | Pages | |
|---|---|---|---|---|---|---|---|---|
| Four-Sided Triangle |
|
1951 | Frederick Fell | Hardcover | Novel | 240 | ||
| Four-Sided Triangle | 1951 | John Long | Hardcover | Novel | 240 | |||
| Four-Sided Triangle | 1951 | McLeod | Hardcover | Novel | 240 | |||
| Four-Sided Triangle |
|
1952 | Galaxy Publishing Corp. | Digest | Novel | 9 | Samson Pollen | 159 |
| Four-Sided Triangle |
|
2001 | Wildside Press | Trade Paperback | Novel | 244 | ||
| Four-Sided Triangle |
|
2018 | British Library Publishing | Trade Paperback | Novel | Chesley Bonestell | 300 |