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Astounding Science Fiction, July 1940 by L. Sprague de Camp, John W. Campbell Jr., Lester del Rey, Robert Moore Williams, J.B. Ryan, Norman L. Knight, Robert A. Heinlein, Ralph Williams, L. Ron Hubbard

Astounding Science Fiction, July 1940

Future History or Heinlein Timeline #20

L. Sprague de Camp, John W. Campbell Jr., Lester del Rey, Robert Moore Williams, J.B. Ryan, Norman L. Knight, Robert A. Heinlein, Ralph Williams, L. Ron Hubbard

160 pages • 1940

fiction science fiction adventurous challenging informative slow-paced
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