Clawson, James G. Level three leadership : getting below the surface / James G. Clawson. - 3rd ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, 2006. - xxv, 402 p. : ill. ; 24 cm. Includes bibliographical references (p. 394-396) and index. ISBN: 0131469029 (pbk.) RM240.59 Subjects--Topical Terms: Leadership.