Hut Six Story : Breaking the Enigma Codes by Gordon Welchman (1997, PB)
Hut Six Story : Breaking the Enigma Codes by Gordon Welchman (1997, Trade Paperback) - VGC. BOOK IS LIGHTLY READ AND IN GREAT CONDITION - MINOR STORAGE WEAR TO THE COVER BUT ALL THE PAGES ARE CLEAN AND UNMARKED - SEE PHOTOS!