The Twenty-Second Century

From Author Wars - https://authorwars.com/publications/the-twenty-second-century-236329.html

Overview:

Title: The Twenty-Second Century
Author: John Christopher
Year: 1960
Publisher: Panther
Price: 2/6
Pages: 191
Binding: Paperback
Type: Collection
Title Reference: The Twenty-Second Century
Notes:
Subdivided: "The Twenty-Second Century" covers the first 5 titles, "The Light Fantastic" covers the next 10, "The Old Way Home" covers the last 5. Yes, it is "The Twenty-Second Century" internally, "22nd" seems to be an external abbreviation for space reasons.