A Simon & Schuster audiobook. Simon & Schuster has a great book for every listener.
The Ultimate Question
The Ultimate Question 2.0 : How Net Promoter Companies Thrive in a Customer-Driven World
Rob Markey, Fred Reichheld
audiobook
HBR's 10 Must Reads on Strategic Marketing
Harvard Harvard Business Review, Clayton M. Christensen, Theodore Levitt, Philip Kotler, Fred Reichheld
audiobook
Winning on Purpose : The Unbeatable Strategy of Loving Customers
Fred Reichheld
audiobook