'The Book of Revelation with a Bill Bryson touch...At least you'll die laughing' Sunday Telegraph**NOW UPDATED TO INCLUDE THE LATEST APOCALYPSE** Of late, Mark O'Connell has found himself particularly anxious about the end of the world.As things fall apart around him, he sets out to meet the people preparing to survive: environmentalists meditating in remote Scottish forests, billionaires dreaming of life on Mars or a villa in New Zealand, and conspiracy theorists yearning for a lost American idyll.Journeying with him through this landscape of anxiety, we learn just what it takes to make it to the other side.