Paperback
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details (United Kingdom).(see also: eBook (Kindle) · eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · Audible Audiobook)
ISBN: 978-1-926606-19-4
ISBN-10: 1-926606-19-1
SF Classic · 2009