5 • Changing the Guard • [Editorial (Analog)] • essay by Stanley Schmidt10 • Titan (Part 1 of 4) • [Gaean • 1] • serial by John Varley49 • Biolog: John Varley • [Biolog] • essay by Jay Kay Klein51 • The Voyager Record • [Science Fact (Analog)] • essay by Jon Lomberg59 • Making Sense of Extraterrestrial Senses • [Science Fact (Analog)] • essay by Kenneth Jon Rose68 • The Santa Claus Problem • shortstory by J. W. Schutz73 • The Last Alchemist • shortstory by Ronald R. Lambert82 • Breaking the Game • [Tales of Capitol] • novelette by Orson Scott Card101 • A Calendar of Upcoming Events (Analog, January 1979) • [Upcoming Events] • essay by Anthony R. Lewis105 • Final Solution • shortstory by St. Marie111 • Consumer Action • essay by uncredited112 • The Wanda Lake Number • shortstory by Robert Thurston119 • In Times to Come (Analog, January 1979) • [In Times to Come (Analog)] • essay by uncredited130 • Triad • novelette by Sam Nicholson169 • The Reference Library: Good and Bad (Analog, January 1979) • [The Reference Library] • essay by Lester del Rey175 • Brass Tacks (Analog, January 1979) • [Brass Tacks] • essay by Ben Bova