Secret Agent "X" – The Complete Series, Volume 3

Publication History:

“Introduction” appears here for the first time. Copyright © 2014 Stephen Payne. All Rights Reserved.

Servants of the Skull originally appeared in November 1934 issue of Secret Agent “X” magazine.

The Murder Monster originally appeared in December 1934 issue of Secret Agent “X” magazine.

The Sinister Scourge originally appeared in January 1935 issue of Secret Agent “X” magazine.

Curse of the Waiting Death originally appeared in February 1935 issue of Secret Agent “X” magazine.