Novelization of the Doctor Who episodes/story of the same name. This is the conclusion of the "Key of Time" storyline.
The Doctor, Romana and K-9 conclude their search for the segments that make up the powerful Key to Time.
Arriving on the planet...
A traitor to the Time Lords?
Can the Doctor really be in league with the evil Vardans, spearheading a treacherous invasion of his home planet, Gallifrey?
Or is he playing a deadly double game, saving the Time Lords by appearing to betray them?
But...
The Doctor, Romana and K9 — and a young stowaway called Adric — are trapped in the alternative universe of E-Space.
Seeking help, they land on an unknown planet — and find a nightmare world where oppressed peasants toil for the Lords who live...
Set deep in the darkest heart of Victorian London, the Doctor and Leela are confronted by a series of bizarre and horrific events.
An innocent cabbie is viciously slain by the agents of a secret Chinese cult; young women disappear quietly and...
The year is 2084, and two power-blocs are poised on the brink of war. Using a series of undersea complexes and deep-space satellites, each bloc carefully monitors the other's movements, slowly edging towards the moment when one will launch an...
Eminent scientist Emil Keller has developed a revolutionary new process for the treatment of hardened criminals. His invention, the Keller Machine, is being heralded as a major scientific breakthrough.
But Professor Keller is in truth the Master and...
'Axos calling Earth, Axos calling Earth...'
The creatures stood before them, beautiful golden humanoids, offering friendship and their priceless Axonite, in return for — what?
Only Doctor Who remains suspicious. What is the real reason for the...
Exploring the very edge of the known universe, the Fourth Doctor, Leela and K9 discover a group of astronaunts searching for the lost gene bank of the Minyan race. During the perilous voyage, the astronauts' craft plunges into the heart of a...
The TARDIS arrives on the planet Manussa — much to the Doctor's surprise, because Tegan has mysteriously set the co-ordinates.
But Tegan, once again a member of the TARDIS crew, is not her own boss. An unsuspecting medium for the sinister Mara,...
Inferno is the name of a top-secret drilling project to penetrate the Earth's crust and release a major new energy source.
A crisis develops when a noxious liquid leaks out as drilling progresses — the green poison has a grotesquely debilitating...