Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Castle Roogna - Castle Roogna is the third book of the Xanth series by Piers Anthony. The castle itself is also the residence of the present King of Xanth.
The answer is:
Written Work