Antony, in the genre(s) science fiction
Players is a Doctor Who novel featuring the sixth Doctor and has been written by Terrance Dicks.
The TARDIS has landed on the sun-baked veldt in the middle of a Boer War skirmish. And soon the Doctor and Peri are involved in the adventures of a struggling politician and war correspondent who they know is destined for greater things - a certain Winston Churchill. But mysterious forces seem to be interfering in his potentially great career...
Arriving in London, the Doctor and Peri enter high society but find themselves in a world of intrigue populated by notorious figures from Wallis Simpson to Joachim von Ribbentrop.
And behind everything, the Doctor senses the hidden hand of the Players - mysterious beings who regard human history as no more than a chess board. Can the Doctor and Peri find the right moves to defeat them - before it's too late?
