The Dimension Riders is an original novel written by Daniel Blythe and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also penned by Blythe, appeared in Doctor Who Magazine #206. This novel is the second novel in the "Alternate Universe cycle" which continues until No Future. External links The Dimension Riders Prelude 1993 British novels 1993 science fiction novels Virgin New Adventures Seventh Doctor novels