[en] The DaVinci Code Anchor
[en] Secret and Urgent, the Story of Codes and Ciphers Palala Press
[fr] [Gutenberg 42297] • La Cryptographie, ou, l'art d'écrire en chiffres Forgotten Books
[en] [Gutenberg 48871] • Manual for the Solution of Military Ciphers Aegean Park Press
[en] Hyperledger Cookbook Packt Publishing
[en] The Cyphernomicon
[en] Blockchain for Business 2019 Packt Publishing
[en] Hands-On Blockchain With Hyperledger Packt Publishing
[en] Advanced Blockchain Development Packt Publishing
[en] Official (ISC)2 Guide to the CISSP CBK · 3rd Edition ((ISC)2 Press) University of Illinois Press
[en] Joe's War · My Father Decoded Vintage
[en] Behind the Enigma · the Authorised History of GCHQ, Britain's Secret Cyber-Intelligence Agency Bloomsbury Publishing
[en] Bits to Bitcoin, How Our Digital Stuff Works MIT Press
[en] Blockchain Quick Reference Packt Publishing - ebooks Account
[en] Quantum Computing for Everyone MIT Press
[en] Blockchain for Decision Makers Packt Publishing
[en] CompTIA Security+ (Exam SYO-301) · Training Kit Microsoft Press