The Hugo Winners, Volumes One and Two

From Author Wars - https://authorwars.com/publications/the-hugo-winners-volumes-one-and-two-282774.html

Overview:

Title: The Hugo Winners, Volumes One and Two
Author: Isaac Asimov
Year: Unknown
Publisher: Nelson Doubleday / SFBC
Pages: 849
Binding: Hardcover
Type: Omnibus
Title Reference: No Truce with Kings
Notes:
• This edition has no gutter code which would place it after 1987.
• The only difference from the first SFBC edition is the addition of '0' to the front of the SFBC#