Mastering Algorithms with C : Useful Techniques from Sorting to Encryption

Gilbert, Adrian : The Orion Mystery: Unlocking the Secrets Fast and FREE P & P

Top Secret: Data Encryption Techniques,Gilbert Held

Mastering Algorithms with C: Useful Techniques from Sorting to Encryption

Cracking DES: Secrets of Encryption Research, Wiretap Politics & Chip Design

Magi: The Quest for the Secret Tradition - Gilbert, Adrian Geoffrey

Unlocking the Secrets of Prompt - Paperback, by Gilbert Mizrahi - Very Good

Data & Image Compression Tools & Techniques, 1996 4th Edition by Gilbert Held HB