The Most Thrilling Science Fiction Ever Told No. 12, Spring 1969

From Author Wars - https://authorwars.com/publications/the-most-thrilling-science-fiction-ever-told-no-12-spring-1969-253400.html

Overview:

Title: The Most Thrilling Science Fiction Ever Told No. 12, Spring 1969
Author: uncredited
Year: 1969
Publisher: Ultimate Publishing Co., Inc.
Price: $0.50
Pages: 132
Binding: digest
Type: MAGAZINE
Title Reference: The Kragen
Notes: Whole Issue No. 12 Cover art is not credited; attributions from the NESFA Index to the SF Magazines 1966-1970. Cover art consists of two small pictures, representing the short novels in this issue. The cartoon on page 2 (flip side of the front cover) is not credited, but the signature appears to read "Walkinshaw". Month of publication estimated.