"As gripping as a good thriller." --The Washington Post Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of

This illustrated encyclopedia surveys the history and development of code-making and code-breaking in all areas of culture and society from hieroglyphs and rune

The classic guide to how computers work, updated with new chapters and interactive graphics "For me, Code was a revelation. It was the first book about programm

Explains how different ciphers work, why they were invented, and how they were cracked, covering codes ranging from ancient Egyptian hieroglyphs and World War I

Explains various methods used in cryptography and presents examples to help readers in breaking secret codes