by Hal Clement
Mass Market Paperback
details (USA).
(see also: Audible Audiobook · eBook (Kindle))
details (UK).
(see also: eBook (Kindle) · Audible Audiobook · eBook (Kindle))
details (Germany).
(see also: Kindle Ausgabe · Audible Hörbuch · Kindle Ausgabe)
details (Canada).
(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-441-58117-7
ISBN-10: 0-441-58117-X
Ace · 1981