Zenger, John H. The extraordinary coach : how the best leaders help others grow / John H. Zenger, Kathleen Stinnett. - New York : McGraw-Hill, 2010. - x, 306 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9780071703406 (alk. paper) RM101.88 0071703403 (alk. paper) Subjects--Topical Terms: Employees--Coaching of.Mentoring in business.Leadership.