HBR's 10 Must Reads on Communication (with featured article "The Necessary Art of Persuasion," by Jay A. Conger)

HBR's 10 Must Reads on Emotional Intelligence (with featured article "What Makes a Leader?" by Daniel Goleman)(HBR's 10 Must Reads)

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

HBR Guide to Better Business Writing (HBR Guide Series)

HBR Guide to Persuasive Presentations (HBR Guide Series) (Harvard Business Review Guides)

HBR's 10 Must Reads on Mental Toughness (with bonus interview "Post-Traumatic Growth and Building Resilience" with Martin Seligman) (HBR's 10 Must Reads)

HBR's 10 Must Reads Boxed Set (6 Books) (HBR's 10 Must Reads)

HBR's 10 Must Reads on Leadership (with featured article "What Makes an Effective Executive," by Peter F. Drucker)

Elephant in the Room: How Relationships Make or Break the Success of Leaders and Organizations

HBR's 10 Must Reads on Managing People (with featured article "Leadership That Gets Results," by Daniel Goleman)

HBR's 10 Must Reads for New Managers (with bonus article “How Managers Become Leaders” by Michael D. Watkins) (HBR's 10 Must Reads)