(From the publisher):
Some time ago, the White Guardian, one of the most powerful beings in the Cosmos, had set the Doctor an urgent task — to find and reassemble the six segments of the Key to Time.
The Doctor and Romana had successfully retrieved five of the segments and now they have reached the planet Atrios in the middle of an atomic war, to search for the last, most vital piece.
Sinister dangers await them in this final stage of their quest...
Novelization of the Doctor Who TV series; six episode story "The Armageddon Factor" (1979), script by Bob Baker & Dave Martin.
Original title: Doctor Who and the Armageddon Factor
Genre: Fiction→ Science Fiction→ Shared Worlds