Let me tell you a story. Long ago, in the frozen Arctic wastes, an alien army landed. Only now, 10,000 years later, it isn't a story. And the army is ready to attack.' New York - one of the greatest cities on 21st century Earth...But what's going on in the Museum? And is that really a Woolly Mammoth rampaging down Broadway? An ordinary day becomes a time of terror, as the Doctor and Amy meet a new and deadly enemy. The vicious Army of the Vykoid are armed to the teeth and determined to enslave the human race. Even though they're only seven centimetres high. With the Vykoid army swarming across Manhattan and sealing it from the world with a powerful alien force field, Amy has just 24 hours to find the Doctor and save the city. If she doesn't, the people of Manhattan will be taken to work in the doomed asteroid mines of the Vykoid home planet. But as time starts to run out, who can she trust? And how far will she have to go to free New York from the Forgotten Army? A thrilling, science fiction adventure featuring the Eleventh Doctor and Amy, as played by Matt Smith and Karen Gillan in the spectacular hit Doctor Who series from BBC Television.

This is the Gyre - the most hostile environment in the galaxy...' 250,000 years' worth of junk floating in deep space, home to the shipwrecked Sittuun, the carnivorous Sollogs, and worst of all - the Humans. The Doctor and Amy arrive on this terrifying world in the middle of an all-out frontier war between Sittuun and Humans, and the countdown has already started. There's a comet in the sky, and it's on a collision course with the Gyre...When the Doctor is kidnapped, it's up to Amy and galaxy-famous swashbuckler Dirk Slipstream to save the day. But who is Slipstream, exactly? And what is he really doing here? A thrilling, time travel adventure featuring the Eleventh Doctor and Amy, as played by Matt Smith and Karen Gillan in the spectacular hit series from BBC Television.