Title: Colossus: The secrets of Bletchley Park's code-breaking computers, Author: B. Jack Copeland
Title: Turing: Pioneer of the Information Age, Author: B. Jack Copeland
Title: The Essential Turing, Author: B. Jack. Copeland
NOOK Book $36.99 $44.99 Current price is $36.99, Original price is $44.99.