Vol. XCIII, No. 5.

Contents:
5 • The Idea Factory • [Editorial (Analog)] • essay by The Editor
10 • Extreme Prejudice • [Laurie Jo Hansen] • novelette by Jerry Pournelle
40 • Kohoutek: A Failure That Wasn't • [Science Fact (Analog)] • essay by George W. Harper
52 • Forced Change • short story by Bob Buckley
67 • The Analytical Laboratory: April 1974 (Analog, July 1974) • [The Analytical Laboratory] • essay by uncredited
69 • The Engine at Heartspring's Center • short story by Roger Zelazny
78 • Stargate (Part 2 of 3) • serial by Stephen Robinett [as by Tak Hallus]
131 • Exclusive Either/Or • short story by Rowland E. Burns
134 • Dark Lantern • novelette by P. J. Plauger
159 • The Reference Library (Analog, July 1974) • [The Reference Library] • essay by P. Schuyler Miller
165 • Brass Tacks (Analog, July 1974) • [Brass Tacks] • essay by uncredited
165 •  Letter (Analog, July 1974) • essay by Stephen Nemeth
165 •  Letter (Analog, July 1974) • essay by John Robinson
165 •  Letter (Analog, July 1974) • essay by William Walling
169 •  Letter (Analog, July 1974) • essay by Alexander D. Wallace
170 •  Letter (Analog, July 1974) • essay by Marc Russell
175 •  Letter (Analog, July 1974) • essay by Lloyd Biggle, Jr.
177 • In Times to Come (Analog, July 1974) • [In Times to Come (Analog)] • essay by uncredited