James M. Kouzes and Barry Z. Posner are the coauthors of The Leadership Challenge, A Leader's Legacy, Credibility, Encouraging the Heart, and The Leadership Challenge Workbook, and over a dozen other books and workbooks on leadership. They also developed the highly-acclaimed Leadership Practices Inventory (LPI), a 360-degree assessment tool based on The Five Practices. Elaine Biech is president and managing principal of ebb associates inc., a strategic implementation, leadership development, and experiential learning consulting firm. She is also the author and editor of over four dozen books, including Training for Dummies andthe Pfeiffer Annuals: Training and Consulting.