**THIS TITLE IS NOW OUT OF STOCK!**

Once, a girl called Ace travelled the universe with the Doctor - until, in the wake of a terrible tragedy they parted company. Now, decades on, she is known as Dorothy McShane, the reclusive millionaire philanthropist who heads the global organisation A Charitable Earth.

But Dorothy is being haunted by terrible nightmares in which she’s abducted to an alien world. Nightmares that begin just as scores of young runaways are vanishing from the dark alleyways of London. Could the disappearances be linked to sightings of sinister creatures - part man, part rat - lurking in the city shadows? Why has an alien satellite entered a secret orbit around the Moon? And how has Dorothy become a target for the victors in an interstellar war?

Investigating the satellite with Ryan, Graham and Yaz, the Doctor is thrown together with Ace once more. Together they must unravel a malevolent plot that will cost of thousands of lives. But can the Doctor atone for her past incarnation’s behaviour - and how much must Ace sacrifice to win victory not only for herself, but for the Earth?

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This BBC Audiobook is available in a limited quantity, and once our allocation has been sold, this offer will be withdrawn.
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