St. Helena; Ascension - Tristan da CunhaThis fully revised fourth edition of Bradt's St Helena, Ascension and Tristan da Cunha remains the only guide to these three British Overseas Territories, tiny volcanic islands that are virtual specks in the middle of the Atlantic Ocean and which thanks to the opening of a new airport in 2017 are more accessible than ever before. Rugged, volcanic and very remote, as Napoleon's place of exile following the Battle of Waterloo, St Helena has gained a