Trial of a Time Machine: After colliding with another time-ship in the vortex, the TARDIS materialises on Thrantas where it is arrested and forced to face trial. While Chris and Roz investigate the crime scene, the Doctor must defend his most loyal companion against a society where guilt has no meaning.

Zeinia Merton reads this captivating novelisation of an epic 'lost' TV adventure featuring the First Doctor

It’s time the truth was told. About UNIT. About the Cybermen invasion. About the so-called ‘Doctor’. About what happened all those years ago, at Warlock’s Cross. About the man they keep locked up in a cage, in a secret prison…

Many light years from Earth, a vast human spaceship hangs in orbit over a cloudy alien planet. The crew have been travelling in cryosleep for many years, looking for a habitable world to settle, and have at last located one with potential.

Cambridge, England, the mid 1930s. When the Doctor, Steven and Vicki get separated from the TARDIS they are forced to spend some time amongst the ancient spires of Sedgwick College.