Cryptonomicon.

ENGLISH LAGUAGE EDITION. ISBN: 0380973464. In 1942, Lawrence Pritchard Waterhouse - mathematical genius and young Captain in the U.S. Navy - is assigned to detachment 2702. It is an outfit so secret that only a handful of people know it exists, and some of those people have names like Churchill and Roosevelt. The mission of Watrehouse and Detatchment 2702-commanded by Marine Raider Bobby Shaftoe-is to keep the Nazis ignorant of the fact that Allied Intelligence has cracked the enemy's fabled Enigma code. It is a game, a cryptographic chess match between Waterhouse and his German ...