An earlier article in Stratgies Nr 339 about the book The Loyalty Effect can be read at: Loyalty means profitability.
Here is ordering information about the books referred to:
Loyalty Rules! by Frederick F. Reichheld.
ISBN 1-57851-205-0. Harvard Business School Press 2001.
The Loyalty Effect, by Frederick F. Reichheld.
ISBN 0-87584-448-0. Harvard Business School Press 1996.
Go to Strategies home page: www.stratletter.com.