editor: Bova Ben, Condé Nast Publications, Inc., 1973
5 • B. F. Skinner: The Man in the Maze • [Personality Profile (Analog)] • essay by Norman Spinrad10 • Skylab Patchwork • essay by Frank Kelly Freas20 • Chester • novelette by Bernard Deitchman71 • Notebooks of Lazarus Long • shortfiction by Robert A. Heinlein93 • Time Cycle • shortstory by Saul Snatsky106 • Into the Furniture • essay by Laurence M. Janifer109 • In Times to Come (Analog, June 1973) • [In Times to Come (Analog)] • essay by uncredited110 • Sword and Scepter (Part 2 of 2) • serial by Jerry Pournelle145 • The Analytical Laboratory: March 1973 (Analog, June 1973) • [The Analytical Laboratory] • essay by uncredited147 • The Whimper Effect • shortstory by John R. Pierce [as by J. R. Pierce ]156 • The Reference Library (Analog, June 1973) • [The Reference Library] • essay by P. Schuyler Miller160 • Brass Tacks (Analog, June 1973) • [Brass Tacks] • essay by uncredited