by Poul Anderson
Paperback
details (UK).
(see also: eBook (Kindle) · Audible Audiobook)
details (USA).
(see also: Audible Audiobook · eBook (Kindle))
details (Germany).
(see also: Kindle Ausgabe · Audible Hörbuch · Kindle Ausgabe)
details (Canada).
(see also: Audible Audiobook · eBook (Kindle))
ISBN: 978-0-340-16336-8
ISBN-10: 0-340-16336-4
Hodder & Stoughton Ltd · 1973