One genre that is always missing from HNer's and YC's recommendations is Fantasy. It feels like most people here read books to acquire knowledge and philosophy to apply to real life. Most fantasy books are read for entertainment and imagination. There's no hidden message to parse and put toward your next start-up project. That doesn't mean Fantasy books are a waste of time though if they're engrossing and entertainin…
Fantasy is a useful way to explore how technology might work in a world with unlimited resources. For example, Dor the magician in Piers Anthony's Xanth novels is able to talk to inanimate objects. In some ways that fantasy approximates a future state for how we interact with AI enabled objects like Amazon Alexa or Siri.
The USC Worldbuilding Institute (http://worldbuilding.institute/about) has been researching how fiction can serve as a catalyst for engineering, business, and social breakthroughs.