It's really great when you get to pursue what you're super interested in, right? It's almost like you get paid to be on vacation or to do your hobby or something, right? Yeah, absolutely. Absolutely. The first one you wrote was called Grey Hat Python. So can you tell us kind of what topics you covered in there and what's the story of that book? "Grey Hat Python was definitely more heavily geared towards lower level reverse engineering and exploit development," he says.