UFO Trek
| First published | 1977 |
|---|---|
| Publisher | Sphere Books |
| Format | Paperback |
| Type | Nonfiction |
| Cover art | Peter Jones |
| Pages | 189 |
| Price | £0.85 |
| ISBN | 0722179502 |
"First published in Great Britain by Sphere Books Ltd. 1977". Cover art signed, but the artist is not credited on copyright page or back cover. Other prices: $2.75 Australia $2.75 New Zealand £0.93½ Ireland £0.90 Malta