Touching the Void: The True Story of One Man's Miraculous Survival

by Joe Simpson

All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find that it was vanity: but the dreamers of the day are dangerous men, for they may act their dreams with open eyes, to make it possible. - T.E. Lawrence, The Seven Pillars of Wisdom

There is a peculiar anonymity about being in tents. Once the zip is closed and the outside world barred from sight, all sense of location disappears.