[Cook] can't miss with [Sphinx]. There is adventure, sex, torture, murder, and a feminist heroine, Harvard Egyptologist Erica Baron, who discovers a pharaoh's tomb full of priceless treasures. There's also a diverse assortment of characters, some of whom seek to kill her. King Tut, move over.

George Cohen, "Fiction: 'Sphinx'," in Booklist (reprinted by permission of the American Library Association; copyright 1979 by the American Library Association), Vol. 75, No. 18, May 15, 1979, p. 1419.