If you type “self-help books” into Amazon’s “Books” category, you’ll get more than 675,000 hits, and their “Kindle” category lists nearly 300,000. That’s a lot of self-help! But how many of these books have actually helped? And how many books outside the “self-help” category have been even more helpful? Just for kicks, I drew up a list of the 15 books that, over the course of my lifetime, I’ve found most helpful, either personally or professionally. Here they are in the order in which I read them. What books have been helpful to you, “self-help” or otherwise? The Marriage of Heaven and Hell , by William Blake I first encountered this part visionary / part comic / part poetry / part etching long poem in 1969, in an English class, while an Engineering student at Cornell University. I had grown up a kid scientist, and my hope was that I’d become a NASA engineer. I was also very much in my head and not so much in my body, in the world of logic and not so much the world of emotion. Bl...