Watkins, Michael, 1956- The first 90 days : critical success strategies for new leaders at all levels / Michael Watkins. - Boston, Mass. : Harvard Business School Press, c2003. - xvi, 253 p. : ill. ; 22 cm. ISBN: 1591391105 (alk. paper) LCCN: 2003010766 LC Class. No.: HD57.7 .W38 2003 / .W38 2003 Dewey Class. No.: 658.4