After browsing the bundle mentioned by @maciejwalkowiak I also spotted this cyber security bundle. All of these look like really good value.
https://www.humblebundle.com/books/cybersecurity-month-mega-bundle-oreilly-books https://x.com/maciejwalkowiak/status/1706978723860279658
Hi, I’m Lee 👋. Senior Software Engineer at WireMock, Snyk Ambassador, Hacker of code. Appsec enthusiast. Runs Brighton Kotlin & Brighton JUG