Search for the Doctor is a Seven House adventure book written by Dave Martin

Dave Martin (screenwriter)

David Ralph Martin was an accomplished television and film writer. He was born in Handsworth, Birmingham, England and contributed numerous scripts for the Doctor Who television series between 1971 and 1979 including:...

 and based on the long-running British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 science fiction television

Science fiction on television

Science fiction first appeared on a television program during the Golden Age of Science Fiction. Special effects and other production techniques allow creators to present a living visual image of an imaginary world not limited by the constraints of reality; this makes television an excellent medium...

 series Doctor Who

Doctor Who

Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a time-travelling humanoid alien known as the Doctor who explores the universe in a sentient time machine called the TARDIS that flies through time and space, whose exterior...

. It features the Sixth Doctor

Sixth Doctor

The Sixth Doctor is the sixth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by Colin Baker...

 and K-9

K-9 (Doctor Who)

K-9, or K9, is the name of several fictional robotic canines in the long-running British science fiction television series, Doctor Who, first appearing in 1977...

Plot

The year is 2056, and the Doctor is trapped in toroidal stasis by arch enemy Omega

Omega (Doctor Who)

Omega is a fictional character from the long-running British science fiction television series, Doctor Who. In the context of the series, Omega is known as one of the founding fathers of the Time Lords of the planet Gallifrey, and is a revered figure in Time Lord history together with the equally...

. But help is at hand from the Doctor's old friends Drax and K9 - and you! Now open the covers and join the Doctor in an adventure through Time and Space ...

Continuity

• This story takes place in the mid-21st Century and at the time it was published it was assumed that it featured the K-9 model that was featured in K-9 and Company
  K-9 and Company
  K-9 and Company was a proposed television spin-off of the original programme run of Doctor Who . It was to feature former series regulars Sarah Jane Smith, an investigative journalist played by Elisabeth Sladen, and K-9, a robotic dog. Both characters had been companions of the Fourth Doctor, but...
  
  and The Five Doctors
  The Five Doctors
  The Five Doctors is a special feature-length episode of the British science fiction television series Doctor Who, produced in celebration of the programme's twentieth anniversary. It had its world premiere in the United States, on the Chicago PBS station WTTW and various other PBS member stations...
  
  . However, the events of the 2006 episode School Reunion
  School Reunion (Doctor Who)
  "School Reunion" is the third episode in the second series of the British science fiction television series Doctor Who. It first aired on 29 April 2006. The episode's narrative takes place some time after the events of "The Christmas Invasion"...
  
  , in which that version of K-9 was destroyed, suggest that the version of K-9 encountered by the Doctor is actually K-9 Mark IV and the model featured in The Sarah Jane Adventures
  The Sarah Jane Adventures
  The Sarah Jane Adventures is a British science fiction television series, produced by BBC Cymru Wales for CBBC, created by Russell T Davies and starring Elisabeth Sladen...
  
  although as far as the Sixth Doctor is concerned, it's the same one he gave Sarah Jane
  Sarah Jane Smith
  Sarah Jane Smith is a fictional character played by Elisabeth Sladen in the long-running British BBC Television science-fiction series Doctor Who and its spin-offs K-9 and Company and The Sarah Jane Adventures....
  
   initially. (This assumes that Mark IV is not destroyed in a yet-to-be-chronicled SJA or Doctor Who episode.)
• Drax returns who was first featured in The Armageddon Factor
  The Armageddon Factor
  The Armageddon Factor is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 20 January to 24 February 1979...
  
  .
• The story marks as the latest in chronology in which Omega appears.