This is a first printing of Callahan's Crosstime Saloon by Spider Robinson, published in 1977 by Ace Books.
From the publisher:
Inroduction: Spider Robinson: The SF writer as Empath by Ben Bova
Foreword
The Guy With the Eyes
The Time-Traveler
The Centipede's Dilemma
Two Heads Are Better Than One
The Law of Conservation of Pain
Just Dessert
"A Voice Is Heard in Ramah..."
Unnatural Causes
The Wonderful Conspiracy
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