4 • John Wood Campbell: 1910-1971 • essay by uncredited5 • Antipollution Device • [Editorial (Analog)] • essay by John W. Campbell, Jr. [as by John W. Campbell ]8 • Hierarchies (Part 1 of 2) • [Interstellar Security] • serial by John T. Phillifent55 • Department of Diverse Data (Analog, October 1971) • [Department of Diverse Data (Analog)] • essay by uncredited56 • The Golden Halls of Hell • novelette by John Paul Henry83 • Moon Spore • shortstory by G. I. Morrison97 • Supernova • [Science Fact (Analog)] • essay by Edward C. Walterscheid [as by Edward Walterscheid ]121 • The Crier of Crystal • [Conscience Interplanetary] • shortstory by Joseph Green135 • Mr. Winthrop Projects • shortstory by Stephen Robinett [as by Tak Hallus ]150 • Motion Day at the Courthouse • shortstory by Theodore L. Thomas [as by Ted Thomas ]163 • The Analytical Laboratory: July 1971 (Analog, October 1971) • [The Analytical Laboratory] • essay by uncredited164 • The Reference Library: The Best SF Short Stories (Analog, October 1971) • [The Reference Library] • essay by P. Schuyler Miller169 • Brass Tacks (Analog, October 1971) • [Brass Tacks] • essay by uncredited
