Linux® Command Line and Shell Scripting Bible
Richard Blum
Teach Your Kids to Code
Bryson Payne
Honoring the Code
Barton, Matt
Python Microservices Development
Tarek Ziade
Unauthorised Access
Wil Allsopp
CCNA Certification Practice Tests
Jon Buhagiar
Cryptography Engineering
Niels Ferguson & Bruce Schneier & Tadayoshi Kohno