Street & Smith · January, 1945
Vol. 4, #10
The Shadow Conquers the Hydra; Behind the Eight-Ball; Assignment at 3 O’Clock; The Stolen Needle; The Smallest Sealed Room (text); The Riddle of the Hanging Skeleton
Writers: Walter B. Gibson, Thorton Fisher
Artists: Charles Coll, Al Bare, Thorton Fisher, John Meditz