Please answer the following question: Dead Cert - Dead Cert is Dick Francis' first novel published in 1962. Featured in the 2007 book 100 Must-Read Crime Novels. It was filmed by Tony Richardson in 1974.The title is a shortened form of It's a dead certainty in this case a play on words referring to the fact that the steeplechase horse Admiral should have won but his jockey died. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Written Work