Alexandra Moen

It's the Tenth Doctor's final journey - but his psychotic nemesis the Master has been reborn, on Christmas Eve. With both determined to cheat death, the battle ranges from the wastelands of London to the mysterious Immortality Gate. Meanwhile, the alien race Ood warn of an even greater danger approaching, as a terrible shadow falls across the entire Universe.

When Harry Saxon becomes Prime Minister, a reign of terror begins. But his dark ambitions reach far beyond the stars, and an audacious plan spanning the whole of time and space begins to close around the Earth.

The mighty warships of a new Time Lord Empire arise from the ashes of the Earth. With the Doctor being held prisoner by the Master, and the Universe on the brink of war, only Martha Jones can save the human race.