A comprehensive, practical guide to the Azores. The author David Sayers pays particular attention to the natural history and especially the botany of these lush Atlantic islands, located two hours flying time west of Lisbon. With eight pages of color photographs and 33 maps, including plans of Ponta Delgada (Sao Miguel), Angra do Herofsmo (Terceira), and Horta (Faial). Second edition.  (PGL29, $21.95)