This is a book about an Islamic movement, the Gulen Movement, that is rooted in a moderate version of Islam and that promotes interfaith and intercultural dialog and global peace. Based on interviews with supporters of the movement in Turkey and in the U.S. and visits to Gulen-inspired schools, hospitals, newspapers and relief organizations, the book describes a movement that has millions of supporters in Turkey and that has spread to over 100 countries on five continents.