Under Heaven's Bridge

From Author Wars - https://authorwars.com/publications/under-heavens-bridge-299078.html

Overview:

Title: Under Heaven's Bridge
Author: Michael Bishop, Ian Watson
Year: Unknown
ISBN-10: 0441844812
Publisher: Ace Books
Price: $2.50
Pages: 198
Binding: Paperback
Type: Novel
Title Reference: Under Heaven's Bridge
Notes: Undated. 2nd printing per numberline.
Ace catalog #84481-2 printed on the front cover.
Cover artist is uncredited. A partial signature is visible in the lower right (reads pu).
Don Punchatz is confirmed by Jane Frank in ‘Science Fiction and Fantasy Artists of the Twentieth Century' (2009) ISBN 978-0-7864-3423-7