Set Piece is an original novel written by Kate Orman and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace, Bernice and Kadiatu Lethbridge-Stewart. It is the last New Adventure to feature Ace as a regular character, although she appeared sporadically throughout the rest of the series. A prelude to the novel, also penned by Orman, appeared in Doctor Who Magazine #222.