Please answer the following question: Superman & Batman: Generations is the umbrella title of three Elseworlds comic book limited series published by DC Comics in the United States written and illustrated by John Byrne. A major concept of the series is the avoidance of so-called comic book time; it places Superman Batman and the other members of the DC Universe in a single timeline showing the characters aging and being replaced by their progeny. 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