Task: Text Categorization
Input (English): In one of this author's short stories, the narrator becomes captivated by thoughts of the title object after picking up a coin. Other of his stories describe a nineteen year old invalid with an incredible memory, a "monstrous" book containing an infinite number of pages, and a fictional planet founded on the principles of Berkelian idealism. In addition to "Funes, the Memorious", "The Book of Sand", and "Tlon, Uqbar, Orbis Tertius", this author wrote short stories about an object that allows the narrator to see the entire universe and an infinite expanse of hexagonal rooms containing books with every possible combination of characters. FTP, name this Argentinian author of "El Aleph" and "The Library of Babel" who collected his stories in Ficciones.
Output (English): Literature