Italo Calvino was due to deliver the Charles Eliot Norton lectures at Harvard in 1985-86, but they were left unfinished at his death. The surviving drafts explore of the concepts of Lightness, Quickness, Multiplicity, Exactitude and Visibility (Constancy was to be the sixth) in serious yet playful essays that reveal Calvino's debt to the comic strip and the folktale. With his customary imagination and grace, he sought to define the virtues of the great literature of the past in order to shape the values of the future. This collection is a brilliant précis of the work of a great writer whose legacy will endure through the millennium he addressed.

Italo Calvino, one of Italy's finest postwar writers, has delighted readers around the world with his deceptively simple, fable-like stories. Calvino was born in Cuba in 1923 and raised in San Remo, Italy; he fought for the Italian Resistance from 1943-45. His major works include Cosmicomics (1968), Invisible Cities (1972), and If on a winter's night a traveler (1979). He died in Siena in1985, of a brain hemorrhage.