LinuxFreak

Ubuntu Linux 14.04 Bootable 8GB USB Flash Drive - Contains Both 32-bit and 64-bit.

LinuxFreak

Ubuntu Linux 12.10 Live Bootable 8GB USB Flash Drive - Both 32-bit and 64-bit

Linux (Hacking Exposed)

Linux Shell Scripting for Hackers: Automate and scale your hacking process with bash scripting

Kali Linux Penetration Testing Bible

Hacking: The Underground Guide to Computer Hacking, Including Wireless Networks, Security, Windows, Kali Linux, and Penetration Testing

Kali Linux Hacking: A Complete Step by Step Guide to Learn the Fundamentals of Cyber Security, Hacking, and Penetration Testing. Includes Valuable Basic Networking Concepts.

Hacking Exposed Linux, 3rd Edition

Mastering Kali Linux for Advanced Penetration Testing: Secure your network with Kali Linux - the ultimate white hat hackers' toolkit, 2nd Edition

Beginner’s Guide to Kali Linux Hacking: Penetration Testing & Cyber Security

Kali Linux Revealed : Unlocking the Secrets of Ethical Hacking and Digital Forensics

Linux for Beginners: Why You're Not Using Linux yet and How to Overcome Command Line Fear

LINUX FOR HACKERS: LEARN CYBERSECURITY PRINCIPLES WITH SHELL,PYTHON,BASH PROGRAMMING USING KALI LINUX TOOLS. A COMPLETE GUIDE FOR BEGINNERS

Kali Linux for Ethical Hacking: Penetration testing and vulnerability assessment for network security (English Edition)