Traction City is a novella by Philip Reeve and is a prequel to the Mortal Engines Quartet it was released as a flip book alongside Chris Priestlys' teachers tales of terror for World Book Day.Set on London and introducing street urchin Smiff policeman Anders and a young Anna Fang. 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