Therefore, its known narrative elements are not a part of the Doctor Who universe. It may have been the basis for a similar story in another medium, however — and that story may indeed be a part of the DWU.
Smoking Mirror was a Sixth Doctor novel pitched by Lawrence Burton to BBC Books for their Past Doctor Adventures range. It was subsequently rejected. Burton's later Faction Paradox novel Against Nature would share several characters with Smoking Mirror.
- Though the novel was rejected by BBC Books, Burton self-published the novel (for no profit) on the website Lulu.