A compact guide to the world's tropical zone, organized by biome. It's a good overview of the ecology of forests, mangroves, coral reefs, deserts, and grasslands found between the Tropic of Capricorn and the Tropic of Cancer. A useful companion for travelers to tropical latitudes. With color photographs and color plates illustrating a sampling of the most conspicuous birds, mammals, reptiles and amphibians, and fish.  (CON17, $25.00)