Vol. XCVIII, No 5, May 1978. Cover art by Richard Powers. STORIES: The Nuptial Flight of Warbirds by Algis Budrys; Mikal's Songbird by Orson Scott Card; The Satyr by Stephen Robinett; Renewal by Bill Johns; University Medical Versus Diplodoccus Pneumoniae by Dennis Latham Cox; Fixed Price War by Charles Sheffield. FEATURES: Editorial by Ben Bova; Brass Tacks (letters); Twenty Years of Fusion by Milton A. Rothman; AnaLog Calendar of Upcoming Events by Anthony R. Lewis; The Reference Library (reviews) by Lester del Rey; Biolog: Algis Budrys by Jay Kay Klein. Interior illustrations by Jack Gaughan, Janet Aulisio, Broeck Steadman, Doug Beekman, Vincent Di Fate.