This collection of essays, originally appearing in The New Yorker and The New York Review of Books, displays Guillermoprieto's flare, heart and knowledge of the region. She's not only an outstanding writer but an incisive reporter and portraitist. With chapters on Eva Peron, Columbia's drug wars, Che Guevara, Havana, Fidel Castro, Vargas Llosa and contemporary Mexico.  (SAM60, $14.95)