by Hal Clement
Paperback
details (USA).
(see also: eBook (Kindle) · Audible Audiobook)
details (UK).
(see also: Audible Audiobook · eBook (Kindle))
details (Germany).
(see also: Kindle Ausgabe · Kindle Ausgabe · Audible Hörbuch)
details (Canada).
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ISBN: 978-0-7653-1032-3
ISBN-10: 0-7653-1032-5
Tor Books · 2004