Helana and the Beast (short story)

Helana and the Beast was the eleventh short story in Time Lord Fairy Tales, featuring the Twelfth Doctor.

Summary
Kept captive in a castle by a terrible beast, Helana befriends the castle's only other resident — its grumpy, grey-haired librarian. Will the Beast and the librarian turn out to be more than meets the eye?

Characters

 * Twelfth Doctor
 * Helana