Condition: Acceptable. Please see the images for more details.
Publisher blurb: "Hugo, Nebula and Locus award nominated novella. It originally appeared in The Magazine of Fantasy and Science Fiction, March 1978. The story can also be found in the anthologies:
The 1979 Annual World's Best SF, edited by Donald A. Wollheim, Arthur W. Saha
The Best Science Fiction Novellas of the Year #1 (1979), edited by Terry Carr
Best Science Fiction Stories of the Year: Eighth Annual Collection (1979), edited by Gardner Dozois
Nebula Winners Fourteen (1980), edited by Frederik Pohl
The Hugo Winners, Volume 4: (1976-79) (1985), edited by Isaac Asimov
The Best of the Nebulas (1989), edtied by Ben Bova
It is half of Tor Double #29: Nanowire Time / The Persistence of Vision and is included in the collections The Persistence of Vision (1979) and The John Varley Reader (2004)."