OCP Oracle Certified Professional Java SE 17 Developer Practice ...
Scott Selikoff & Jeanne Boyarsky
CompTIA Network+ N10-008 Certification Guide
Glen D. Singh
IT
Stephen King
Introducing Python
Bill Lubanovic
Mastering Linux - Fundamentals
Paul Cobbaut
Mastering Linux - Servers
Mastering Linux - System Administration
Mastering Linux - Networking