by Harry Turtledove
Paperback
details (United States).
(see also: eBook (Kindle) · Audible Audiobook)
details (United Kingdom).
(see also: Audible Audiobook · CD-ROM · eBook (Kindle))
details (Germany).
(see also: Kindle Ausgabe · CD-ROM · Kindle Ausgabe)
ISBN: 978-0-7653-7435-6
ISBN-10: 0-7653-7435-8
Tor Books · 2009