Doctor Who: Doom’s Day: Extraction Point

It's the Doctor's universe. 24 hours to find them. 24 hours to escape death. The finest time-travelling assassin in the cosmos is running scared. Doom's own death is coming for her in a matter of hours. And the only person in the universe who might just be able to save her is the Doctor - so long as it's the right Doctor. But as Doom searches for aid, the hits keep coming in. Kill a crabby Kraal and his replica world! Assassinate a ghost on Satellite Five! Eliminate a living asteroid! Doom finds