The Gunslinger and the Western Sea

From Author Wars - https://authorwars.com/books/the-gunslinger-and-the-western-sea-1795840.html

Overview:

Title: The Gunslinger and the Western Sea
Author: Michael Whelan
Year: 1982
Type: Interior Art

Editions/Publications:

2014 . Unconventional Fantasy: A Celebration of Forty Years of the World Fantasy Convention (2014, Michael Whelan, Baltimore Washington Area Worldcon Association, Inc., $0.00, 1+736+684+764+660+560+90 pages, ebook, Anthology)