Planet of Change

From Author Wars - https://authorwars.com/books/planet-of-change-89926.html

Overview:

Title: Planet of Change
Author: John Christopher
Year: 1953
Type: Short Fiction

Editions/Publications:

Unknown. Authentic Science Fiction Monthly, #36 (August) 1953 (Unknown, John Christopher, Hamilton & Co., 1/6, 144 pages, Paperback, MAGAZINE)