Therefore, its known narrative elements are not a part of the Doctor Who universe as we, on this Wiki, choose to define it. It may have been the basis for a similar story in another medium, however — and that story may indeed be valid.
Blood of the Witch Tree, originally pitched as Feralia, was an unproduced Lethbridge-Stewart novel by Jim Mortimore. However, it was cancelled due to Mortimore's "inflexibility" over the unproduced Lethbridge-Stewart short story Fear of Light.
to be added
Behind the scenes
- In 2020, Mortimore released some details of Blood of the Witch Tree in his expanded, novella-length Fear of Light: An Adventure in Time and Space, and intends to adapt the novel to be part of the same universe.