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Parasite
AuthorJim Mortimore
Cover artistPaul Campbell
SeriesDoctor Who book:
Virgin New Adventures
Release number
33
SubjectFeaturing:
Seventh Doctor
Ace, Bernice
PublisherVirgin Books
Publication date
December 1994
ISBN0-426-20425-5
Preceded byFalls the Shadow 
Followed byWarlock 

Parasite is an original novel written by Jim Mortimore 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 Mortimore, appeared in Doctor Who Magazine #220.