HBR's 10 Must Reads Ultimate Boxed Set (14 Books),Amazon.com: HBR's 10 Must Reads Ultimate Boxed Set (14 Books): 9781633693159: Review, Harvard Business, Goleman, Daniel, Drucker, Peter F., Christensen, Clayton M., Porter, Michael E.: Books,HBR's 10 Must Reads for Executives 8-Volume Collection,HBR's 10 Must Reads on Trust: Review, Harvard Business, Frei, Frances X., Morriss, Anne, Zaki, Jamil, Galford, Robert M.: 9781647825249: Amazon.com: Books,HBR's 10 Must Reads on Strengthening Your Soft Skills (with bonus article