num_pages: 374
description: A member of a top-secret team of British cryptographers, Tom Jericho succeeds in cracking "Shark," the impenetrable operational cipher used by Nazi U-boats, but when the Germans change the code, Jericho must break the new code before the traitor among his group can stop him.
language: English
title: Enigma
titlecomplete: Enigma
characters: Hester Wallace, Tom Jericho, Claire Romilly
genres: Fiction, Historical, War, Mystery, Thriller, Mystery Thriller, Historical Fiction, Espionage, Crime, World War II
ratings_count: 15471
places: England
publisher: Ballantine Books