Added: - Ethical hackers (simple text) [Ethical Hacking and Penetration Testing Guide](https://www.amazon.in/Ethical-Hacking-Penetration-Testing-Guide/dp/1482231611) (simple text and link) Altered: To know about more books (simple text)
Added: - Ethical hackers (simple text) [Ethical Hacking and Penetration Testing Guide](https://www.amazon.in/Ethical-Hacking-Penetration-Testing-Guide/dp/1482231611) (simple text and link) Altered: To know about more books (simple text)