I've read more than my fair share of them over the years (e.g. all the classics such as Think and Grow Rich, 7 Habits of Highly Effective People, Awaken the Giant Within, The Power of Now, Conversations With God, and a whole lot more). I've managed to get some value out of pretty much every one I've read, and while I don't want to become a 'personal development junkie' I do think there's plenty of growth opportunities to be had by reading them. I'm currently reading Rip It Up, which is a decent read. Are there any books that you swear by?