Please answer the following question: The Carnelian Cube is a fantasy novel written by L. Sprague de Camp and Fletcher Pratt. It was first published in hardcover by Gnome Press in 1948 and in paperback by Lancer Books in 1967. An E-book edition was published by Gollancz's SF Gateway imprint on September 29 2011 as part of a general release of de Camp's works in electronic form. It has also been translated into Italian and German. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Written Work