For 41 issues from 1934 to 1939, SECRET AGENT "X" battled the forces of evil in the pages of his own pulp magazine. Now, for the first time… the complete pulp series is being reprinted in nine deluxe omnibus editions! The text has been reset and all the original interior illustrations have been remastered. This volume contains the next four stories, by Emile C. Tepperman and Paul Chadwick: "Servants of the Skull," "The Murder Monster," "The Sinister Scourge" and "Curse of the Waiting Death." This is THE Secret Agent "X" reprint series to own!