Religion is at the heart of the 21st-century debate to an extent that would barely have been believed in the second half of the 20th century. Terrorists’ motivation is as likely to be religious as it is nationalist or political. Secularists rail passionately against religious faith where once they assumed it would simply wither away. Meanwhile most of the world’s people quietly derive sustenance and inspiration from their faith. This new No-Nonsense Guide picks its way carefully through the minefield that is modern religion. It takes a clear-eyed view of the role of spirituality in human life - and of its sometimes negative effects.