Sixth Doctor Colin Baker and Flip, aka Lisa Greenwood, are back once more this month for some proper outer space action in Doctor Who: Scavenger. If you thought Gravity was scary, wait until you hear this...

Thursday 28 May 2071: the day the Anglo-Indian Salvage 2 rocket launches. Its mission: to clean up space; to remove from Earth’s orbit over a century’s worth of man-made junk…

From the viewing window of a nearby space station, the Doctor and Flip have a unique view of Salvage 2 as it sets about its essential task – and of the disaster that unfolds when Salvage 2 encounters something it’s not been programmed to deal with. Something not of human manufacture…

Back on Earth, the Doctor fights to save Flip from becoming part of a 500-year tragedy being played out in orbit, hundreds of miles above. And millions will die if he fails.

Elsewhere and elsewhen, the Fourth Doctor (Tom Baker) and Leela (Louise Jameson) take on a deadly new foe in Doctor Who: The Crooked Man.

Winter at the seaside. The wind blows. The waves crash. People are dying and a strange spindly figure stalks the cold, deserted streets. A typical holiday for the Doctor and Leela in other words.

When they stumble across a grotesque series of murders at the coast, the TARDIS travellers realise the local constabulary is out of its depth. Something supernatural has come to town, something evil. And it all seems to be tied in to a particular young family.

Monsters lurk behind strange doors. Tragic secrets wait to be uncovered. And somewhere, deep within, the Crooked Man sits. He is waiting for you.

Doctor Who: Scavenger and Doctor Who: The Crooked Man are available to download now, and CD copies are being sent out from today.