Gary Russell Related books Business Unusual (Dr. Who Series) London Bridge • 1998 Deadfall London Bridge • 1997 Deadliest Species (Tomorrow People) Big Finish Productions Ltd • 2003 Divided Loyalties (Dr. Who Series) Bbc Pubns • 1999 Doctor Who Placebo Effect Bbc Pubns • 1998 Doctor Who The Novel of the Film BBC Books • 1996