Secret Agent X - 1935
From Author Wars - https://authorwars.com/books/secret-agent-x---1935-1308479.html
Overview:
Editions/Publications:
- Unknown. Secret Agent X, March 1935 (Unknown, Rose Wyn, Periodical House, $0.10, 132 pages, pulp, MAGAZINE)
- Unknown. Secret Agent X, November 1935 (Unknown, Rose Wyn, Periodical House, $0.10, 132 pages, pulp, MAGAZINE)