Formats & Editions
Browse the different covers, formats, and publication history for this title.
Paperback
Paperback
Jan 1970
Ace
ISBN 0441272274
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Mass Market Paperback
Jan 1978
Ace
ISBN 0441272290
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Mass Market Paperback
Aug 1982
Ace
ISBN 0441272312
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Mass Market Paperback
Jan 1992
Ace
ISBN 0441272347
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Trade Paperback
Dec 2006
Echo Library
ISBN 1406835617
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Hardcover
Hardcover
Jan 1979
Gregg Press
ISBN 083982422X
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Hardcover
Nov 2000
Baen
ISBN 0671319523
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eBook
eBook
Dec 2012
ISBN B00AN994F0
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