 Juan Rulfo, the author of two books, only one of them a novel, was the acknowledged master incorporated "a posteriori"; a writer who balances social concern, verbal experimentation and unique style.Augusto Roa Bastos of Paraguay wrote "Hijo de hombre", considered by some to be the first novel of the Boom.His highly experimental "I, the Supreme" has been compared to Joyce's "Ulysses" and is "one of the most highly regarded works of fictional history to ever come out of South America."