The Darksmith Legacy: The Vampire of Paris

In 2009, The Vampire Of Paris was released by BBC Books.

Cover blurb
The Doctor and his new companion, Gisella have escaped the robot Agent and the rampaging Dreadbringers.

The Doctor, more than ever, wants the Crystal destroyed and must find the Crystal's creator, Varlos. But Varlos has been dead for years. The Doctor and Gisella must travel back in time to Paris to find clues to Varlos' whereabouts.

Will they find him in time or will the Darksmiths finally capture the Doctor?

"This amazing ten-book series follows the Doctor on his exciting journey to discover the origins of the so-called Eternity Crystal and the powerful artisans who hace created it - the Darksmiths."