“I am an invisible man.” “Mrs. Dalloway said she would  buy the flowers herself.” “You are about to begin reading  Italo Calvino's new novel.” These three opening lines,  from Ralph Ellison’s "Invisible Man," Virginia Woolf’s "Mrs. Dalloway," and Italo Calvino’s  "If on a winter’s night a traveler," each establish a different point of view.