Without Enigma: The Ultra & Fellgiebel Riddles
Shepperton, Surrey, UK: Ian Allan Publishing, 2000. 1st Edition. Hardcover. 8vo., 160pp. Beautiful First Edition. Square tight and clean throughout with little or no wear. Equally attractive unclipped dust-jacket, (£19.99), is fresh and bright with no creases, chipping or tears. A gorgeous collectable copy... More