The Edge of Tomorrow

From Author Wars - https://authorwars.com/publications/the-edge-of-tomorrow-177689.html

Overview:

Title: The Edge of Tomorrow
Author: Isaac Asimov
Year: 1986
ISBN-10: 0812531221
Publisher: Tor
Price: $3.50
Pages: xiv+462
Binding: Paperback
Type: Collection
Title Reference: The Ugly Little Boy
Notes:
• "First mass market printing: July 1986", full number line. • Cover art is credited to Vallejo on the copyright page • Canadian ISBN is also on the cover/spine/copyright page: 0-812-53123-X • $4.50 in Canada