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