Formats & Editions
Browse the different covers, formats, and publication history for this title.
Paperback
Paperback
Dec 1969
Ace
ISBN13 9780441638222
ISBN10 0441638228
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Mass Market Paperback
Jul 1982
Ace
ISBN13 9780441638253
ISBN10 0441638252
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Mass Market Paperback
Feb 1985
Ace
ISBN13 9780441638192
ISBN10 0441638198
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Mass Market Paperback
Apr 2005
Baen
ISBN13 9780743471510
ISBN10 0743471512
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Hardcover
Hardcover
Feb 1980
MacMillan
ISBN13 9780839826347
ISBN10 0839826346
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Hardcover
Feb 2002
Baen
ISBN13 9780671318499
ISBN10 0671318497
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