Pretty much anything from these authors makes for a good read, depending on where you are in your development!

Virus of the Mind by Richard Brodie
The Power of Vulnerability by *Brene Brown
Presence by *Amy Cuddy
Blind Spots by Madeleine L. Van
Blink by *Malcolm Gladwell
The 3 Laws of Performance by Dave Logan and Steve Zaffron
Soulcraft: Crossing into the Mysteries of Nature and Psyche by *Bill Plotkin, PhD

* These authors are on TED and/or youtube.  Here are some you may want to watch-

Bill Plotkin-  https://www.youtube.com/watch?v=mF0dR1XCNYQ
Brene Brown- http://www.ted.com/talks/brene_brown_on_vulnerability
Amy Cuddy- http://www.ted.com/talks/amy_cuddy_your_body_language_shapes_who_you_are
Malcolm Gladwell- http://www.ted.com/talks/malcolm_gladwell_the_unheard_story_of_david_and_goliath