When the Doctor lands his TARDIS in the Lancaster town of Lannet, in the present day, he finds that something is terribly wrong.
Barry Letts did the same when he adapted The Ghosts of N-Space, and for our October episode, we'll be reading Paul Cornell's adaptation of his own script for Scream of the Shalka, which was recently released on DVD. Marc Platt is not the only writer who novelized his own work for the book ranges, of course.