Linux® Essentials
Richard Blum
Web Penetration Testing with Kali Linux
Gilberto Najera-Gutierrez & Juned Ahmed Ansari
Introduction to Java Programming and Data Structures
Comprehensive Version
Mastering Linux Security and Hardening
Donald Tevault
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain