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. Carbon Grey - Carbon Grey is a comic book mini-series created by artist Hoang Nguyen (Punisher: War Zone Alien Legion) and published by Image Comics. Set against the backdrop of a great war the series follows twin sisters Mathilde and Giselle Grey members of a noble family dedicated to protecting the Kaiser of Mitteleuropa as they struggle to reconcile duty with their own beliefs and ambitions.
The answer is:
Written Work