THE MYSTERIOUS PLANET by Kenneth Wright [pseudonym]. Philadelphia, Toronto: The John C. Winston Company, . Octavo, cloth. First edition. A planet with technology superior to that of the Solar Federation's space navy enters our solar system, threatening billions of humans living on the planets orbiting our Sun. Part of the classic Winston science fiction series for young readers published between 1952 and 1961. A fine copy in bright, very good or better first printing dust jacket (15 titles listed on rear panel) with light wear along top edge of front and spine panels and mild dust soiling to rear panel. Jacket illustration by Alex Schomburg. An attractive copy. (#150195).
First edition so stated on copyright page.