Santis - Paris Enigma - New paperback or softback - X555z

Lawley - Elvis Enigma - New paperback or softback - X555z

Wildman - Spontiak Enigma - New paperback or softback - X555z

Richards - Exuma Enigma - New paperback or softback - X555z

Bauer - Enigma Unscrambled - New paperback or softback - X555z

Watchman - Apstein Enigma - New paperback or softback - X555z

Williams - Information Enigma - New paperback or softback - X555z

Jaksic - An Enigma - New paperback or softback - X555z