2014 - 2017
From the early 1970s to the early 1990s almost every television adventure was novelised by Target books, the paperback division of WH Allen, and later an imprint of Virgin Publishing. Early adventures were stand alone novels, sometimes with new companions in the story, but later on they became novelisations of the story.
Clara: So, you must have thought I was dead for a while. Yeah. How was that?
The Doctor: Longest month of my life.
Clara. It could only have been five minutes.
The Doctor: I'll be the judge of time.