"A passionate paean to the Sahara." -- New York Times, Season's Best Travel BooksThe Sahara: a dream-like, far away landscape of Lawrence of Arabia and Wilfred Thesiger, The English Patient and Star Wars, and home to nomadic communities whose ways of life stretch back millennia. Today it's a teeth-janglingly dangerous destination, where the threat of jihadists lurks just over the horizon. Following in the footsteps...