As it had been foretold, the armies of the Universe gathered at Trenzalore. Only one thing stood between the planet and destruction - the Doctor. For nine hundred years, he defended the planet, and the tiny town of Christmas, against the forces that would destroy it.

Some of what happened during those terrible years is well documented. But most of it has remained shrouded in mystery and darkness. Until now.

This is a glimpse of just some of the terrors the people faced, the monstrous threats the Doctor defeated. These are the tales of the monsters who found themselves afraid - and of the one man who was not. (Tales of Trenzalore collects four of the Doctor's adventures from different periods during the Siege of Trenzalore and the ensuing battle: Let it Snow - by Justin Richards An Apple a Day - by George Mann Strangers in the Outland - by Paul Finch The Dreaming - by Mark Morris).