"Zen and the Art of Motorcycle Maintenance" by Robert Pirsig. While it's also a tale of travel and self-exploration (the rediscovery of identity after a nervous breakdown and shock therapy), mostly the book is about thinking. I was a different person after identifying with the narrator who also lived in the mind, and asked questions about basic concepts like 'quality', or qualia of events, objects, roles, and the sub…
I thought the first third of the book was absolutely fantastic. But then it quickly decayed into philosophical drivel, IMO. Perhaps I'm not wise enough to understand the end of the book but I truly thought it was garbage and believe this is one of the most overrated books of all time. Anybody else feel this way?
Maybe in 20 years I'll give it another shot and finally see why the book is considered a classic.