Non-Fiction Book

Okay, here is where I have to admit I am a dork. I absolutely LOVE to read non-fiction. I LOVE LOVE LOVE anything related to psychology and am known to read text books just to gain the knowledge from them. Although I cannot think of one book that I like the best, or is my favorite, pretty much if it is non-fiction, true life, etc. I will enjoy it. Dorky, I know, but I am okay with that!