The Secret in Building 26: The Untold Story of Americas Ultra War Against the U-boat Enigma Codes
by Jim DeBrosse, Colin Burke
Category: History

Traces America's endeavor to break the German naval code Enigma, in 1942, describing the secret work of unassuming engineer Joe Desch to design the Desch Bombe code-breaking machine. Reprint. 12,000 first printing.