Doctor Who: At Childhood's End: Thirteenth Doctor Novel

Past, present and future collide as the Thirteenth Doctor meets classic Doctor Who companion Ace, in an epic novel written and read by Sophie Aldred.

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 abduct...