This bestselling guide to the works and theories of leading management thinkers covers over forty-five influential gurus, ranging from pioneers to today's stars of the lecture circuit. It has been sold around the world since its first publication in 1991 and has been translated into eight languages. This new edition is revised and updated throughout and includes five new gurus. The theories of each of the total of forty-five gurus are covered succinctly and clearly, with an analysis of the importance of their ideas and how influential they are likely to be.