The Year of the Comet

From Author Wars - https://authorwars.com/publications/the-year-of-the-comet-198677.html

Overview:

Title: The Year of the Comet
Author: John Christopher
Year: 1983
ISBN-10: 0722123035
Publisher: Sphere
Price: £1.50
Pages: 256
Binding: Paperback
Type: Novel
Title Reference: The Year of the Comet
Notes:
2nd Sphere printing per copyright page
Artist not credited
$4.95 in Australia, £1.50 in Malta