There’s also the – Peter Kim has donated thousands of copies to students and veterans through his website’s scholarship program. Reach out if you truly cannot pay.

: A great source for new and used copies, with used prices often being significantly lower. Legitimate Ways to Access Security Knowledge

Use VirtualBox or VMware to set up a "victim" network.

If you want a full draft, confirm tone (technical, casual, or beginner-friendly) and target audience (students, security pros, or general readers).