GallagherRichard S. What to say to a porcupine 20 humorous tales that get to the heart of great customer service / Richard S. Gallagher - New York American Management Association 2008 - xiv 111p ill. 20cm ISBN: 9780814410554 Subjects--Topical Terms: Customer relations--HumorCustomer services--HumorCustomer sevices--Management--Humor