BLACK BAT DOUBLE NOVEL #9 INVISIBLE ENEMY & VOICE OF DOOM (C

"The Nemesis of Crime returns in classic pulp novels by Norman A. Daniels. First, the Masked Avenger of Crime rips aside the veil of secrecy that shrouds a mob leader's murderous activities in 'The Black Bat's Invisible Enemy.' Then, the Black Bat pursues 'The Voice of Doom,' a human scourge who attacks the underworld and upperworld alike! Golden Age of Comics Bonus: The Mask returns in another illustrated adventure from Nedor's Exciting Comics! "