March 1943. The war hangs in the balance, and at Bletchley Park a brilliant young codebreaker is facing a double nightmare. The Germans have unaccountably changed their U-boat Enigma code, threatening a massive Allied defeat. And as suspicion grows that there may be a spy inside Bletchley, Jericho`s girlfriend, the beautiful and mysterious Claire Romilly suddenly disappears.
2011, октябрь: книга на бумаге "Enigma (Ned)", ISBN: 978-0-09-952792-3, издательство "Random House", 464 стр.