26. The Man Behind [NARCOTICS MYSTERY]. New York: E. P. Dutton and Co., (1938).
First Edition stated. Brewster dustjacket art. "Who is the mysterious hooded terror who haunts and eludes the Chief Inspector of Scotland yard and his assistants? Who is the invisible power forcing National Medical Supplies, Ltd., to deal illegally in narcotics?" Near Fine in Very Good dustjacket, shallow chipping at spine ends and few flap corners, vertical crease at spine, closed tear at lower front panel. Item #21454