“The Leopard” went on to become one of the best-selling Italian novels of the 20th century (more than 3.2 million copies sold) and the basis for Luchino Visconti’s classic 1963 film. “Reading and rereading it,” wrote
E. M. Forster, an early admirer, “has made me realize how many ways there are of being alive, how many doors there are, close to one, which someone else’s touch may open.”