Black Bat Double Novel #5 Black Bats Triumph Markets Treason

"The Nemesis of Crime returns in classic pulp novels by Norman A. Daniels. First, murder runs rampant as gruesome cloaked hunchback killers terrorize a city until 'The Black Bat's Triumph,' in a bizarre thriller edited by future Batman editor Mort Weisinger! Then, the Cowled Crimebuster tackles the toughest racket he's ever confronted when ex-bootleggers band together to manipulate 'Markets of Treason.' Plus, The Mask returns in a Golden Age classic from Nedor's Exciting Comics #5."