When I wrote my first novel, my goal was simply to see if I could get to the end. Did I have what it took to write a whole novel? I had no plans for daily word counts or a particular time frame. It was a simple goal. Write a novel.

Like many other authors, I worked full time, so I wrote in the evenings and at weekends. I had days or weeks when my motivation lagged and I didn't write. I see from my spreadsheets that book took me between eighteen months and two years to write and edit.

I'm horrif...