Linux® Essentials
Richard Blum
Mastering Kali Linux for Advanced Penetration Testing
Vijay Kumar Velu
CCNA Certification Practice Tests
Jon Buhagiar
Beginning Modern Unix
Manish Jain
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain