'Anyone with a taste for the exotic will find this beautifully written book highly engaging' Sunday Telegraph Always fascinated by islands, Oliver Sacks is drawn to the Pacific by reports of Pingelap, where one in twelve inhabitants is born totally colourblind; and to Guam, where he investigates a puzzling, paralyzing neurodegenerative disorder that has affected islanders there for over a century. 'Sacks's most sympathetic study, offering profound insights into both disease and milieu' Independent 'A moving, personal odyssey, a testament of tenacity, courage and will' Literary Review