Harvey May, 1943
Sabatage Spells Death!; Zero Hour Strikes; Darts of Death; A Promise Must Be Kept! (text); Black Diamond Mystery; Appointment With Death; Jap Trapping; Terror Stalks The Night; Pal Puzzler; Suicide Slide
Sam Glanzman, Robert Peters, Art Helfant
Sam Glanzman, Art Helfant