Who is the author of The Door Within?

The book "The Door Within" is not a widely known or established title. There is no author associated with this specific book title.

It's possible that:

* You are mistaken about the title. There may be a slight misspelling or variation in the name.

* It is a lesser-known or self-published work. This could be a book published independently, or it may be a manuscript that has not been widely circulated.

If you could provide more context, like the genre or the plot of the book, it might be easier to identify the author.