TY - BOOK AU - Asimov,Isaac AU - Silverberg,Robert TI - Nightfall SN - 0385263414 AV - PS3551.S5 N5 1990 U1 - 813/.54 20 PY - 1990/// CY - New York PB - Doubleday KW - Science fiction KW - sears N1 - "A Foundation book."; Kirkus Review; School Library Journal; Wilson's Fiction; Adult; Adult; Follett Library Resources N2 - Kalgash is a world on the edge of chaos, torn between religious fanaticism and scientific rationalism. Their civilization is threatened by Nightfall, the first sunset in over two thousand years ER -