Paperback
details (Germany).
(see also: Audible Hörbuch)
ISBN: 978-0-7088-8088-3
ISBN-10: 0-7088-8088-6
Orbit · 1981
| See also: | ||
| 2009 | Paperback | Beyond the Blue Event Horizon (Heechee) |
| 2000 | Paperback | Beyond the Blue Event Horizon (Heechee Saga, Book 2) |
| 1980 | Mass Market Paperback | Beyond the Blue Event Horizon (Heechee Saga) |