Dr. Patrick Seder is a post-doctoral researcher and instructor at the University of Virginia. His research focuses on well-being, positive emotions, culture, self-regulation, mindfulness...and the art of Andy Warhol.
I purchased this Kindle book for 99 cents. I have the free Kindle app on my iPhone. When I'm stuck in a long line or am waiting on somebody, I start reading. That helps me to stay calm. And I learn stuff.