 Fuentes not only wrote some of the most important novels of the period, but was also a critic and publicist of Spanish America.In 1955 Fuentes and Emmanuel Carballo founded the journal "Revista Mexicana de Literatura" which introduced Latin Americans to the works of European Modernists and the ideas of Jean-Paul Sartre and Albert Camus.In 1969 he published the important critical work, "La nueva novela hispanoamericana".