Alexandria'Like Robert Macfarlane re written by Cormac McCarthy.' Telegraph 'Beckett doing Beowulf.' London Review of Books One thousand years from now, the sole inhabitants of a small island a group no larger than an extended family are living in a post civilised world. They are perhaps the Earth's only human survivors. But lurking outside their isolated community is a figure in red, an emissary from another way of life: a virtual place of refuge and security,