Book excerpt: John L. Ward, a leading world expert on family business, offers the best practices of the most successful and long-lasting families in business, including Ford Motors, Marriott Hotels, Levi-Strauss, and the New York Times. He provides a framework of five insights and four principles in which to position his fifty "lessons learned" for family business longevity. This is a comprehensive book on sustaining family businesses that contains international examples, cases, essential tools, and checklists of best practices; a how-to every entrepreneur should have.