Callahan's Crosstime Saloon

From Author Wars - https://authorwars.com/publications/callahans-crosstime-saloon-5960.html

Overview:

Title: Callahan's Crosstime Saloon
Author: Spider Robinson
Year: 1977
ISBN-10: 0441090346
Publisher: Ace Books
Price: $1.50
Pages: xix+170
Binding: Paperback
Type: Collection
Title Reference: Callahan's Crosstime Saloon
Notes:
• "First Ace printing: June 1977" on copyright page; no number line
• The artist is not credited. Signature (DiFate) is clearly visible on the wraparound artwork.