Explore 'Introduction to Topology' by Bert Mendelson, 3rd Edition. This classic textbook offers a comprehensive introduction to topology, covering basic concepts, metric spaces, topological spaces, continuity, compactness, connectedness, and more with clear explanations, examples, and exercises.

Explore the intricate world of hacking and cybersecurity with this comprehensive guide, designed for aspiring hackers and cybersecurity enthusiasts. Delve into Linux fundamentals, network manipulation, scripting in bash and Python, ethical hacking principles, penetration testing techniques, and much more. Written by an experienced hacker with insights from military and intelligence agencies, this book offers a practical, hands-on approach to mastering essential skills for navigating the digital frontier.