Barry Z Posner

The 25th anniversary edition of the bestselling business classic, completely revised and updated

For more than 25 years, The Leadership Challenge has been the most trusted source on becoming a better leader, selling more than 2 million copies in over 20 languages since its first publication. Based on Kouzes and Posner's extensive research, this all-new edition casts their enduring work in context for today's world, proving how leadership