SF

From Author Wars - https://authorwars.com/books/sf-2005496.html

Overview:

Title: SF
Author: F. E. Hotchin A. A. Allinson
Year: 1968
Type: Non-fiction

Editions/Publications:

Unknown. SF (Unknown, F. E. Hotchin, Cheshire, 31 pages, Trade Paperback, Non-fiction)
Unknown. SF (Unknown, A. A. Allinson, Cheshire, 31 pages, Trade Paperback, Non-fiction)