THE PARADOX PLANET: A KANE AND PENDRAKE NOVEL. New York, London, Toronto, Sydney: Doubleday, . Octavo, cloth-backed boards. First edition. The last of Spruill's three novels featuring the scholarly investigator Elias Kane and his pacifist alien partner Pendrake. A fine copy in fine dust jacket. (#154026).
"FIRST EDITION / JUNE 1988" on copyright page.