"I want you to know that I'm not a critic or theorist, which means that in my work I look for solutions as problems arise." So begins the first of eight classes that the great Argentine writer Julio Cort?zar delivered at UC Berkeley in 1980. These "classes" are as much reflections on Cort?zar's own writing career as they are about literature and the historical moment in which he lived. Covering such topics as "the writer's path" ("while my aesthetic...