Please answer the following question: Return to the Clans is an original English-language manga volume written by Erin Hunter as part of the Warriors series. It is the third and final in a trilogy following Sasha a fictional wild cat trying to learn how to live in the wild. It was released on June 9 2009. It is drawn by Don Hudson. 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?
Answer:
Written Work