Briefing for a Descent Into HellA study of a man beyond the verge of a nervous breakdown, this is a brilliant and disturbing novel by Doris Lessing, winner of the Nobel Prize for Literature. Penniless, rambling and incoherent, a man is found wandering at night on Londons Embankment. Taken to hospital and heavily sedated, he tells the doctors of his incredible fantastical voyage, adrift on the ocean, landing on unknown shores, flying on the back of a huge white bird. Identified as