Using and Administering Linux: Volume 1
David Both
Kali Linux Web Penetration Testing Cookbook
Gilberto Najera Gutierrez
The Flavor Equation
Nik Sharma
CCNA Certification Practice Tests
Jon Buhagiar
Introduction to Java Programming and Data Structures
Comprehensive Version
Basics of Web Design: HTML5 & CSS (5th Edition)
Terry Felke-Morris
Intro to Java Programming, Comprehensive Version
Y. Daniel Liang