Please answer the following question: P.S. Longer Letter Later is an epistolary novel written by Paula Danziger and Ann M. Martin in 1998. It is a novel in letters and is written as a year-long correspondence between two twelve-year-old girls Tara (styled Tara*Starr) and Elizabeth. 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