Analog Science Fiction - December 1969

Analog Science Fiction / Science Fact, December 1969 (Vol. LXXXIV, No. 4) edited by John W. Campbell, with cover art by Kelly Freas and interior illustrations by Kelly Freas, Vincent Di Fate, and Leo Summers. Fiction and non-fiction contents include: In Our Hands the Stars, part one of a three-part serial by Harry Harrison; Mindwipe, a novelette by Tak Hallus; Testing . . . One, Two, Three, Four, a short story by Steve Chapman; Superiority Complex, a short story by Thomas N. Scortia; Any Number Can Play, a short story by Richard Lippa; Is Biological Aging Inevitable?, a science fact article by Major Donald G. Carpenter and Captain John E. Wrobel, Jr.; and Men in Space, an editorial by John W. Campbell. Regular features include: The Analytical Laboratory; In Times to Come; The Reference Library, with book reviews by P. Schuyler Miller; and Brass Tacks, with letters from the readers.