Karen Armstrong is one of the world's foremost commentators on religious affairs. Her bestselling books include Islam: A Short History; Buddha; A History of God; Through The Narrow Gateand The Spiral Staircase.

"'A remarkable history... fascinating and highly readable... profoundly relevant.' Julie Wheelwright, Independent '[Armstrong] shows a formidable grasp of sacred history and biblical scholarship.' Felipe Fernandez-Armesto, The Times 'Armstrong writes with her customary elegance and lucidity... It would be hard not to learn a lot from this substantial book.' Diarmaid MacCulloch, Guardian 'This book deserves nothing but praise.' Bryan Appleyard, Sunday Times"