Who Are You, Really?: The Surprising Puzzle of Personality (TED Books)

Me, Myself, and Us

Brian R Little

amazon.com
Cover of Me, Myself, and Us

The Alter Ego Effect: The Power of Secret Identities to Transform Your Life

Todd Herman

amazon.com
Cover of The Alter Ego Effect: The Power of Secret Identities to Transform Your Life

Leading the Life You Want: Skills for Integrating Work and Life

Stewart Friedman

amazon.com
Cover of Leading the Life You Want: Skills for Integrating Work and Life

HBR's 10 Must Reads on Managing Yourself (with bonus article "How Will You Measure Your Life?" by Clayton M. Christensen)

Peter F. Drucker

amazon.com
Cover of HBR's 10 Must Reads on Managing Yourself (with bonus article "How Will You Measure Your Life?" by Clayton M. Christensen)

The Way We're Working Isn't Working

Tony Schwartz, Jean Gomes, Catherine McCarthy

amazon.com
Cover of The Way We're Working Isn't Working