Originally published: as 'The pawns of Null-A', New York : Street and Smith, 1948 ; and as 'The players of Null-A', London : Dobson, 1970.
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The pawns of Null-A by A. E. Van Vogt. ISBN 0722187726. Published by Sphere in 1974. Publication and catalogue information, links to buy online and reader comments.
