Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

He attended the International Labor Organization in Geneva for his country before turning to writing. More recent works include The Crystal Frontier, Voluptuario, and The Orange Tree. His first short story collection, The Masked Days, was followed up by Constancia and Other Stories for Virgins. He gained little acclaim for his first novel When the Air is Clear, although Philip II's construction of El Escorial was the subject of a more famous work, Terra nostra, and he also wrote a fictionalized account of Ambrose Bierce's last days in The Old Gringo. FTP, name this noted Marxist and author of The Death of Artemio Cruz.
Literature