As a publisher what you are trying to build is a long life for a book, to help it find its readers in many different ways, whether or not it made this list or got that review, etc. I'm sure some of that thinking has been useful to me as a writer as well.

Back then, when I had that original idea to write about the seventeenth century, the whole thing was set in 1666. I was thinking of Margaret near the end of her life, and that was the voice I heard for her.

I loved reading historical novels when I was young, but I definitely don't think I wrote one. When I read my book through, when it was completely done and in printed galleys, I was surprised by how uninterested in the passage of time and history the book seemed to be. Even though you can feel it all there, that's just not what it's focused on.

I would be researching seventeenth-century garden design or I would be doing something with Pepys, but I just kept using all of it to write about Margaret Cavendish. It took me a long time to realize that I just wanted to write a book about her. Years.

As a publisher what you are trying to build is a long life for a book, to help it find its readers in many different ways, whether or not it made this list or got that review, etc. I'm sure some of that thinking has been useful to me as a writer as well.

Finding the form was really a very dynamic process. I went through a lot of shifting, trying to get it right. Because the writing took place over such a long time, it's hard for me to pinpoint when specific things happened, but basically the final version only materialized in the last two or so years. It was there, but it took me a while to see it and then to refine it after I'd seen it.

The reason the middle section switches to third person is, well, this is middle age. This is the part in her life where she loses track of something that was driving her and has to figure out what's going to drive the next part of her mission, this mission to be an author. I had to push back away from her for a while before we could come up to that really lyrical close third in the final section.