Suggest me a non-fiction book that dives deep into a topic that no one else takes seriously

Hey friends! I've been on a non-fiction kick recently, but have been reading a lot of heavy heavy topics (my last 3 reads were: The Rape of Nanking, The Hundred Years' War on Palestine, and Invisible Doctrine: The Secret History of Neoliberalism). I've learned a lot from them, but I'm nearing a saturation point and [...]