SEVEN VOICES
by RITA GUIBERT
436 pages. Knopf. $10.
This is an ambitious book. Rita Guibert, an Argentine and former LIFE en Español reporter, confronts the fact that though Latin American literature is now often acclaimed as perhaps the richest and most original in the world, it simply has not caught on with U.S. readers. Part of the problem, as has long been recognized, is languagethough translations are generally improving and are sometimes excellent. A greater impediment is a kind of cultural preconception, an unstated assumption that any art flourishing in Latin America will...