Please answer the following question: The Firesign Theatre's Big Book Of Plays is a collection of transcriptions written by The Firesign Theatre for the title tracks of each of their first four albums. The book also contains some introductory material that is serious as well a few pieces that parody introductory material. Photos of the group-- childhood photos casual snapshots and full-costume publicity shots vaguely related to the written material-- are included. The book concludes with Lt. 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