The Casino Murder Case is a 1934 novel written by S. S. Van Dine in the series about fictional detective Philo Vance. In this outing a murder investigation is connected with a private casino on New York's upper west side and the wealthy and unorthodox family that operates it. It was adapted into a film in 1935. 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