Another one, Forget Perfect by an author from Atlanta no less. I have a big thing with wanting everything I do to be perfect, which is really exhausting. Apparently this author knows what I'm talking about.
Another great author, Alan Watts. I absolutely LOVE his stuff. He writes about Zen Buddhism for a Western audience, which is really fascinating. I most recently finished The Wisdom of Insecurity. It's a great read about being comfortable with instability.
Here are some more of his works: