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number= 36 (given to later editions) |
number= 36 (given to later editions) |
doctor=[[Fourth Doctor]] |
doctor=[[Fourth Doctor]] |
companions= [[Leela]]<br />[[K9 Mark I|K9]] (introduction, joins)|
companions= [[Leela]]<br />[[K9 Mark I|K9]]|
enemy= The [[The Swarm (The Invisible Enemy)|Swarm]]|
enemy= The [[The Swarm (The Invisible Enemy)|Swarm]]|
year= [[Titan Base]], [[Bi-Al Foundation]], [[5000]] |
year= [[Titan Base]], [[Bi-Al Foundation]], [[5000]] |

Revision as of 00:04, 25 March 2012



  • This novelisation is based on the original television serial DW: The Invisible Enemy, written by Bob Baker and Dave Martin and shown from 1 October 1977.
  • The cover and information shown on the right is for the original Target novel. It features the artwork of Roy Knipe. (See below for information on editions with different covers).

Publisher's summary

A mysterious cloud drifts menacingly through space...
A sudden energy flash and the Fourth Doctor is infected with the Nucleus of a malignant Virus that threatens to destroy his mind.
Meanwhile, on Titan, human slaves prepare the Hive from which the Virus will swarm out and infect the universe.
In search of a cure, Leela takes the Doctor to the Foundation where they make an incredible journey into the Doctor’s brain in an attempt to destroy the Nucleus.
But can the Doctor free himself from the Nucleus in time to reach Titan and destroy the Hive? Luckily he has help – in the strangely dog-like shape of a mobile computer called K9


  • None

Deviations from televised story

To be added

Writing and publishing notes

  • To be added

Additional cover images

To be added

British publication history

To be added

First Publication:

  • Hardback
W.H. Allen & Co. Ltd. UK
  • Paperback


Scheduled for a new edition in July 1994, but the release was cancelled.

Editions published outside Britain

To be added

See also

External links

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File:Invisible_Enemy_novel.jpg +