5 • Who Pays the Piper? • [Editorial (Analog)] • essay by Stanley Schmidt18 • Dragonstar (Part 1 of 4) • [Dragonstar • 1] • serial by David Bischoff and Thomas F. Monteleone65 • What Have They Done to the Rain? • [Science Fact (Analog)] • essay by Ruth B. Kaplan80 • Misfits • shortstory by Edward A. Byers90 • In Times to Come (Analog, September 1981) • [In Times to Come (Analog)] • essay by uncredited91 • Biolog: Edward A. Byers • [Biolog] • essay by Jay Kay Klein92 • A !Tangled Web • novelette by Joe Haldeman112 • Loophole • [Probability Zero] • shortstory by Timothy Zahn113 • Save the Earth! • [The Alternate View] • essay by G. Harry Stine118 • Absent Thee from Felicity Awhile ... • shortstory by S. P. Somtow [as by Somtow Sucharitkul ]130 • Tiger by the Tail • shortstory by Joseph F. Patrouch, Jr. [as by Joe Patrouch ]140 • Jolly Roger • novelette by Gary Alan Ruse164 • AnaLog: A Calendar of Upcoming Events (Analog, September 1981) • [Upcoming Events] • essay by Anthony R. Lewis [as by Anthony Lewis ]165 • The Reference Library (Analog, September 1981) • [The Reference Library] • essay by Thomas A. Easton [as by Tom Easton ]172 • Brass Tacks (Analog, September 1981) • [Brass Tacks] • essay by uncredited