 He was shortlisted, in 1966 and 1967, for the Nobel Prize for Literature.Through 67 years of writings, which included over 25 novels, he explored the ambivalent moral and political issues of the modern world, often through a Catholic perspective.Although Greene objected strongly to being described as a Roman Catholic novelist, rather than as a novelist who happened to be Catholic, Catholic religious themes are at the root of much of his writing, especially the four major Catholic novels