Please answer the following question: Illusions (Bach novel) - Illusions: The Adventures of a Reluctant Messiah is a novel by writer and pilot Richard Bach. First published in 1977 the story questions the reader's view of reality proposing that what we call reality is merely an illusion we create for learning and enjoyment. Illusions was the author's followup to 1970's Jonathan Livingston Seagull. 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?
A:
Written Work