HBR's 10 Must Reads on Managing Yourself, Updated and Expanded (featuring "How Will You Measure Your Life?" by Clayton M. Christensen)Amy Jen Su
The Leader You Want to Be: Five Essential Principles for Bringing Out Your Best Self--Every DayAmy Jen Su4.5
HBR's 10 Must Reads on Strengthening Your Soft Skills (with bonus article "You Don't Need Just One Leadership Voice--You Need Many" by Amy Jen Su)Daniel Goleman