The future here could be sadder than the present," writes Robert Kaplan in a chapter about the African nation of Sierra Leone. From Kaplan's perspective, the same could be said of virtually the entire Third World, which he spends the bulk of this book visiting and describing. Kaplan, an acclaimed foreign correspondent and author of Balkan Ghosts, is congenitally pessimistic about the developmental prospects of West Africa, the Nile Valley, and much of Asia. This traveler's tale offers dire warnings about overpopulation, environmental degradation, and social chaos. We should all hope that Kaplan's forecast is wrong, but we ignore him at our peril.