I am a huge tmux and vim user. I also like the fact that tmux is scriptable and have hacked a few more tools like clojure to "program" and automate my typing in terminal windows. This has made it possible for me to type less and become very productive in command line environments.
http://www.kodeship.com/srimux.html
Inner game of tennis - Timothy Gallwey classic on sports psychology. unpacks ego and its role in learning and performance. from amateur to elite levels. introduces concepts like 2 "selfs". reading this book was a very religious experience and dare i say improved my weekend tennis too.