editor: Bova Ben, Condé Nast Publications, Inc., 1976
5 • The Conspiracy Theory • [Editorial (Analog)] • essay by The Editor11 • The Breeds of Man • [Science Fact (Analog)] • essay by L. Sprague de Camp43 • Rebounder • [Chap Foey Rider • 3] • shortstory by Hayford Peirce56 • Transfigurement • shortstory by Bob Buckley69 • In Times to Come (Analog, April 1976) • [In Times to Come (Analog)] • essay by uncredited71 • The Analytical Laboratory: January 1976 (Analog, April 1976) • [The Analytical Laboratory] • essay by uncredited73 • Quarry • shortstory by Mary H. Schaub84 • Children of Dune (Part 4 of 4) • [Dune • 3] • serial by Frank Herbert168 • The Reference Library: The Lamp of Experience (Analog, April 1976) • [The Reference Library] • essay by Lester del Rey173 • Grant Titles from History • essay by John H. Douglas174 • Brass Tacks (Analog, April 1976) • [Brass Tacks] • essay by uncredited175 •  Letter (Analog, April 1976) • essay by Carl Sagan176 •  Letter (Analog, April 1976) • essay by Isaac Asimov176 •  Letter (Analog, April 1976) • essay by Theodore R. Cogswell