Before Enigma: The Room 40 Codebreakers of the First World War

by David Boyle

How did the British codebreakers succeed in cracking the apparently unbreakable Enigma code during the Second World War? Was it their gifted amateurism? The brilliance of Alan Turing? The invention of... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1523360259
• ISBN13: 9781523360253
• Release Date: January 2016
• Publisher: Createspace Independent Publishing Platform
• Length: 118 Pages
• Weight: 0.30 lbs.
• Dimensions: 0.3" x 5.0" x 8.0"