Book excerpt: At last: an authoritative, up to date account of the troubled reign of King Stephen, by a leading scholar of the Anglo-Norman world. David Crouch covers every aspect of the period - the king and the empress, the aristocracy, the Church, government and the nation at large. He also looks at the wider dimensions of the story, in Scotland, Wales, Normandy and elsewhere. The result (weaving its discussions around a vigorous narrative core) is a a work of major scholarship. A must for specialist and amateur medievalists alike.