Mark Grayson Unlimited

From Author Wars - https://authorwars.com/books/mark-grayson-unlimited-191225.html

Overview:

Title: Mark Grayson Unlimited
Author: Polton Cross
Year: 1945
Type: Short Fiction

Editions/Publications:

Unknown. Thrilling Wonder Stories, Spring 1945 (Unknown, Polton Cross, Standard Magazines, Inc., $0.15, 116 pages, pulp, MAGAZINE)