World's End

From Author Wars - https://authorwars.com/publications/worlds-end-55380.html

Overview:

Title: World's End
Author: Joan D. Vinge
Year: 1984
ISBN-10: 0812557115
Publisher: Tor
Price: $2.95
Pages: 284
Binding: Paperback
Type: Novel
Title Reference: World's End
Notes:
- First TOR printing: November 1984; no number line.
- Cover artists are credited on the copyright page.
- Price $3.50 / ISBN 0-812-55712-3 in Canada
- This edition appears to have been issued with two covers, one with white borders and one with black. Dual pricing and ISBNs are the same and the 1993 edition states it's the second printing. Verification copies of both the black and white borders.