Hackmann, Donald G., 1955- At a crossroads : the educational leadership professoriate in the 21st century / Donald G. Hackmann, Martha M. McCarthy. - Charlotte, NC : Information Age Pub., 2011. - xv, 356 p. : ill. ; 25 cm. - UCEA leadership series. . Includes bibliographical references. ISBN: 9781617354786 (pbk.) RM140.27 1617354783 (pbk.) 9781617354793 (hardcover) 1617354791 (hardcover) Subjects--Topical Terms: Educational leadership--United States.School management and organization--United States.Educational change--United States.