Please answer the following question: The Black Hole of Auschwitz is a collection of essays by the Italian author Primo Levi. Originally published under the Italian title Asymmetry and Life it has two distinct halves. The first half The Black Hole of Auschwitz is a collection of essays often prefaces to other books which make a plea against holocaust denial. The second half Other People's Trades are a mixture of essays on a wide variety of subjects. 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