THE INCREDIBLE PLANET. Reading, Pennsylvania: Fantasy Press, 1949. Octavo, cloth. First edition. One of 500 copies with inserted limitation leaf, this being one of 250 numbered copies signed by Campbell. A continuation of adventures chronicled in THE MIGHTIEST MACHINE (1947). See Anatomy of Wonder (1976) 3-7. In 333. A fine copy in fine dust jacket. (#140776).
First edition so stated on copyright page.