The Runestaff

From Author Wars - https://authorwars.com/publications/the-runestaff-274457.html

Overview:

Title: The Runestaff
Author: Michael Moorcock
Year: 1969
Publisher: Mayflower
Price: £0.25
Pages: 143
Binding: Paperback
Type: Novel
Title Reference: The Runestaff
Notes: 2nd printing, printed same year as 1st printing.
Other prices: Australia $0.80; New Zealand $0.75; South Africa 60c
The credit to Bob Haberfield is per his son - and a tribute page on instagram