Wolfsbane

In 2003, Wolfsbane was released by BBC Books.

Cover blurb
''Harry Sullivan. Died 28 November 1936. Deliver us from evil.''

Harry is dead. Having left him abandoned and alone in pre-war Britain, the Doctor and Sarah try to solve the mystery of his death. But the only witness is in a lunatic asylum, driven mad by what he has seen. He tells of murder and mutilation, of living trees and long-dead legends, of wolfmen and war... And of a mysterious stranger known only as the Doctor.

Can it be true that Harry discovered the last resting place of the Holy Grail? Why are the flowers and trees in a Somerset village in full bloom at Christmas? And is it just a coincidence that Harry died under a full moon?

This adventure features the Fourth and Eighth Doctors, Sarah Jane and Harry.