Gordon Welchman
Bletchley Park’s Architect of Ultra Intelligence
Imprint: Frontline Books
6.5 x 9.5 in, 32 black and white illustrations
- Paperback
- 9781473885257
- April 2017
- Temporarily out of stock. Ships in 8-12 weeks.
$24.95
Buy- Hardcover
- 9781848327528
- February 2016
- Out of print. Available in digital formats at the links below.
$50.00
- Digital download
- 9781473834637
- February 2014
$16.99
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