Doctor Who and the Invisible Enemy
By (author): "Terrance Dicks"
Publish Date:
March 1979
ISBN0426200543
ISBN139780426200543
AsinDoctor Who and the Invisible Enemy
CharactersThe Fourth Doctor, Leela, K-9 (Mark I), The Doctor
Original titleDoctor Who and the Invisible Enemy (Target Doctor Who Library)
SeriesDoctor Who Library (Target) #36, Doctor Who Novelisations #93, Adventures of the 4th Doctor #71 ,