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

So Good They Can't Ignore You

Getting Work Done

The 12 Week Year: Get More Done in 12 Weeks than Others Do in 12 Months

HBR Guide to Project Management

Never Eat Alone: And Other Secrets to Success, One Relationship at a Time

HBR Guide to Coaching Employees

The $100 Startup: Reinvent the Way You Make a Living, Do What You Love, and Create a New Future

Get Smart: How to Think and Act Like the Most Successful and Highest-Paid People in Every Field

Finance Basics

HBR Guide to Finance Basics for Managers

Cues: Master the Secret Language of Charismatic Communication

HBR's 10 Must Reads on Business Model Innovation

Designing Your Life: How to Build a Well-Lived, Joyful Life

Empathy

What Got You Here Won't Get You There: How Successful People Become Even More Successful

Harvard Business Review Emotional Intelligence Collection: Happiness, Resilience, Empathy, Mindfulness

Real Artists Don't Starve: Timeless Strategies for Thriving in the New Creative Age

Giving Effective Feedback

Act Like a Leader, Think Like a Leader