'How to Change the World' provides profles of many such individuals and what they have in common. The book is an 'In Search of Excellence' for social initiatives, intertwining personal stories, anecdotes, and analysis. Readers will discover how one person can make an astonishing difference in the world. In addition to the stories of individual entrepreneurs, this paperback edition includes a foreword by the author and shows how the concept of social entrepreneurship has expanded and unfolded in recent years. People across society, from students to business leaders, from professionals to post-retirement boomers, have sought to forge new careers as social innovators, blurring boundaries between business and social action.