Cosmic Checkmate / King of the Fourth Planet

by De VET, Charles V., Katherine MacLean, and Robert Moore Williams

$20 · Offered by Between the Covers

New York: Ace, (1962). Softcover. First edition. Cover art by Ed Valigursky and Ed Emshwiller. Mass market paperback. Pages toned, a couple small soil spots and inked number on foredge, very good. Ace Double F-149. More

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