Answer the following question: Crest of the Stars -  Crest of the Stars (星界の紋章 Seikai no Monshō) is a three-volume space opera science fiction novel written by Hiroyuki Morioka with cover illustrations by Toshihiro Ono. Beginning in 1999 the novels were adapted into anime series the first of which ran for 13 episodes on WOWOW. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Written Work