The Black Secret
"Moving stealthily in the background, always keeping their tracks well covered, the perpetrators of the terrible Black Secret conducted heir campaign with Michiavellian ingenuity."
Overview
Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”; [2] “Marked for Death,”; [3] “The Gas Chamber,”; [4] “Below the Waterline,”; [5] “The Acid Bath,”; [6] “The Unknown,”; [7] “The Betrayal,”; [8] “A Crippled Hand,”...
