by Ben Bova
Hardcover
details (USA).
(see also: Audible Audiobook · Audible Audiobook · eBook (Kindle))
details (UK).
(see also: Audible Audiobook)
details (Germany).
(see also: Audible Hörbuch · Kindle Ausgabe · Audible Hörbuch)
details (Canada).
(see also: Audible Audiobook · eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-312-93888-8
ISBN-10: 0-312-93888-8
Tor Books · 1986