Harari, Oren. The Powell principles : 24 lessons from Colin Powell, battle-proven leader / Oren Harari. - New York : McGraw-Hill, c2005. - ix, 116 p. : ill. ; 22 cm. - McGraw-Hill professional education . - McGraw-Hill professional education. . Includes bibliographical references. ISBN: 9780071444903 (hbk.) 0071444904 (hbk.) Subjects--Personal Names: Powell, Colin L. Subjects--Topical Terms: Leadership. Dewey Class. No.: 658.4092 / HAR 2005