This volume features 13 novels and novelettes by Emile C. Tepperman, and his beloved character Secret Agent X, that appeared in the pulp magazine of that name. . Secret Agent X, whose true identity is never revealed, is a master of disguise, known as "the man of a thousand faces", and he adopts several different identities in each story. Although he is a dedicated crime-fighter working undercover for the U.S. government, this is unknown to the police who consider him an outlaw. His true role is known only to newspaper reporter Betty Dale and his mysterious Washington controller, K-9.
The stories included in this volume are:
I. TALONS OF TERROR II. CALL FROM HELL III. CONSIDINE LAUGHS IV. THE EYES OF DURGA V. THE MURDER MONSTER VI. NO LIVING WITNESS VII. PAID IN SLUGS VIII. SATAN'S SCALPEL IX. TOMB OF TORTURE X. TONG TORTURE XI. THE TERROR'S TRADE-MARK XII. TAKING NO CHANCES XIII. THE SUICIDE COTERIE