You could buy ten different books... or you could buy Udemy course: Learn Ethical Hacking From Scratch.
The curriculum is divided into four main practical areas, each designed to teach specific attack and defense strategies: Udemy - Learn Ethical Hacking From Scratch
Ethical hacking is the practice of using the same techniques and tools as malicious hackers, but with the goal of improving security and protecting computer systems, networks, and data. Ethical hackers, also known as white-hat hackers, use their skills to identify vulnerabilities and weaknesses in computer systems, and then provide recommendations on how to fix these issues before they can be exploited by malicious hackers. You could buy ten different books