Secrets and Lies

E-mail Security: How to Keep Your Electronic Messages Private

Applied Cryptography: Protocols, Algorithms, and Source Code in C

Schneier on Security

Beyond Fear

Practical Cryptography

Schneier's Cryptography Classics Library: Applied Cryptography, Secrets and Lies, and Practical Cryptography

Protect Your Macintosh

Secrets and Lies: IT-Sicherheit in Einer Vernetzten Welt

Fast Software Encryption

Liars and Outliers: Enabling the Trust That Society Needs to Thrive