https://en.wikipedia.org/wiki/Zen_and_the_Art_of_Motorcycle_...
Pirsig explains that, despite its title, "it should in no way be associated with that great body of factual information relating to orthodox Zen Buddhist practice. It's not very factual on motorcycles, either."
a fictionalized autobiography of a 17-day journey that Pirsig made on a motorcycle from Minnesota to Northern California along with his son Chris