Isaac Asimov's Science Fiction Magazine, Vol. 3, No. 4 (April, 1979)

Digest Magazine clean and tight, spine is not creased, some light wear to the corners. Features: "Heat Wave" by D. C. Poyer, "The Three Robots of Professor Tinker" by Martin Gardner, "The Origins of the Material World" by Peter Payack, Jack Gaughan by Ginger Kaderabek, "Double in Brass" by John M. Ford, "Twisting the Unicorn's Tale" by Robert Karl Bohm, The SF Conventional Calendar by Erwin S. Stauss, "This Isn't the Way We Did It in Rehearsal" by Eric Loranger, "Places to Crawl Through" by Margaret St. Clair, "Point of View" by Isaac Asimov, "The Fall of the Eisenstein" by Lowell A. Bangerter, "On Tabletop Universes" by John M. Ford, "The Napoli Express" by Randall Garrett, "Wide Open Spaces" by Peter Payack.