Lost Threshold
| First published | 1968 |
|---|---|
| Publisher | S. G. Phillips |
| Format | Hardcover |
| Type | Novel |
| Pages | 189 |
| Price | $4.95 |
Price on front flap in ebay.com photo.
| Year | Reviewer | Publication |
|---|---|---|
| 1969 | P. Schuyler Miller | Analog Science Fiction/Science Fact, March 1969 |
No ISBN on record — searching by title and author.