4 • The Mystic West • [Editorial (Analog)] • essay by The Editor8 • Hero • [Mandella] • novella by Joe Haldeman60 • Klysterman's Silent Violin • shortstory by Michael Rogers72 • Strong Poison 2 • [Science Fact (Analog)] • essay by Carl A. Larson85 • The Darkness to Come • novelette by Robert B. Marcus, Jr.109 • In Times to Come (Analog, June 1972) • [In Times to Come (Analog)] • essay by uncredited111 • Out, Wit! • shortstory by Howard L. Myers122 • A Transatlantic Tunnel, Hurrah! (Part 3 of 3) • serial by Harry Harrison163 • The Analytical Laboratory: March 1972 (Analog, June 1972) • [The Analytical Laboratory] • essay by The Editor165 • The Reference Library (Analog, June 1972) • [The Reference Library] • essay by P. Schuyler Miller173 • Brass Tacks (Analog, June 1972) • [Brass Tacks] • essay by uncredited
