by Hal Clement
Hardcover
details (USA).
(see also: eBook (Kindle) · Audible Audiobook)
details (UK).
(see also: Audible Audiobook · eBook (Kindle))
details (Germany).
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details (Canada).
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ISBN: 978-0-7653-0857-3
ISBN-10: 0-7653-0857-6
Tor Books · 2003