THE SHADOW in Bob Powell's "Murder Through the Looking Glass" (1949)

ZORRO: Black & White Noir

SECRET AGENT X-9: "A G-Man at Sea" - Week 10 (1937)

More next week . . .

ZERO the Ghost Detective by Al Bryant (1942)

OTR TUESDAY: Richard Diamond, Private Detective - "Surplus Homicides"

SPICY DETECTIVE Stories - 1940

"The Bad Man of Brimstone" and Other Movie Posters of 1937