Isaac Asimov's Science Fiction Magazine: April 1979 Cover by Jack Gaughan (for "The Napoli Express")

Featured stories:
"Heat Wave" by D. C. Poyer
"Double In Brass" by John M. Ford
"Places to Crawl Through" by Margaret St.Clair
"Point of View" by Isaac Asimov
"The Napoli Express" by Randall Garrett (a "Lord D’Arcy" novella)

Profile "Jack Gaughan" by Ginger Kaderabek
Article "On Tabletop Universes" by John M. Ford.