Sound Barrier
| First published | 1955 |
|---|---|
| Publisher | Philosophical Library |
| Format | Hardcover |
| Type | Nonfiction |
| Pages | xi+129 |
| Price | $4.75 |
| Year | Reviewer | Publication |
|---|---|---|
| 1956 | uncredited | Authentic Science Fiction Monthly, February 15, 1956 |
| 1956 | Floyd C. Gale | Galaxy Science Fiction, March 1956 |