TRAPPED IN A CAGE WITH DEATH while a Madman cracks the whip!
Join in the Trail that leads thru sold walls -to a thrill packed climax that will leave you limp! (Print Ad-Greenfield Recorder-Gazette, ((Greenfield, Mass.)) 20 April 1939)
Join the man-hunt with the ace sleuth's underground army...puzzle over every clue...live through every danger. It's the most exciting thrill the movies ever gave you! (Print Ad- Daily News, ((St. Thomas, V.I.)) 22 June 1940)