It wasn't until I was in my thirties before I began to start randomly reading non-fiction in much the same way I choose fiction. Non-fiction was finally something to read for fun. I still read more fiction, but I am likely to pick up something like The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements (which was hilarious) or The Professor and the Madman: A Tale of Murder, Insanity, and the Making of the Oxford English Dictionary for no reason at all beyond curiosity.
I prefer narrative non-fiction and have consumed several excellent examples in the past few years. Most of my favorites are young adult and children's. Here are some of the best of the best in no particular order:
Do you read a lot of non-fiction? What is it about non-fiction that you enjoy?