To mark the imminent publication of the massive "A New Literary History of America," Harvard University Press has unveiled a comparably ambitious (not to mention deftly designed) Web site, complete with sample entries, interviews with the book's editors (the writer Greil Marcus and the Harvard literature professor Werner Sollors), and videotaped remarks by the Harvard press editor behind the project. "Modestly, what I'm trying to do is to transform the humanities," says Harvard Press's Lindsay Waters.