THE SECRET OF THE NINTH PLANET. Donald A. Wollheim.

THE SECRET OF THE NINTH PLANET. Philadelphia, Toronto: The John C. Winston Company, [1959]. Octavo, cloth. First edition. Aliens on Pluto have imprisoned space explorers from other planets and star systems and are stealing our solar system's light. Part of the classic Winston science fiction series for young readers published between 1952 and 1961. Previous owner's name and date on front free endpaper. A fine copy in very good or better first printing dust jacket (31 titles listed on the rear panel) with light rubbing to edges and some spotting to spine panel and along rear flap fold. (#135676).

Price: $250.00

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Printing identification statement for this book:
First edition so stated on copyright page.