0955364809 SHOW MOOCHABLE + ? RELATED SEARCHES > ADVANCED SEARCH > HIDE COVERS - ASIN Title: Thirty Secret Years: A.G. Denniston's Work in Signals Intelligence, 1914-1944 Author: Robin Denniston Description: Product Description "Thirty Secret Years" reveals how an enterprising Scottish linguist was able to decipher German naval messages in the Admiralty in World War One. Alastair Denniston became head of the Brit... (more) Wishlists: This book is on several wishlists: autumnrose (2-for-1) (Canada). Available: No copies available WISHLIST ADD + SAVE FOR LATER + AMAZON > RECOMMEND > DETAIL > Search BookMooch for a book: SEARCH BOOKMOOCH > Search Amazon for a book: amazon.co.uk amazon.de amazon.es amazon.fr amazon.it amazon.cn SEARCH AMAZON >