English Intermediate Fermat’s Enigma: The Epic Quest to Solve the World’s Greatest Mathematical Problem Simon Singh 1998 مشاهدهٔ کتاب
English Intermediate The code book: the science of secrecy from ancient Egypt to quantum cryptography Simon Singh 2000 مشاهدهٔ کتاب
English Beginner The code book: How to make it, break it, hack it, crack it, for young people Simon Singh 2001 مشاهدهٔ کتاب