Everyone who publishes a book in the UK has to send a copy to the British Library.
Today, I received a couple of copies of my novel 'The Aviators'. I immediately took one copy to the Post Office and sent it off to the Library. That is an important boundary. I can move on to my next novel.
The second novel in the 'Empire of Gaul' series is complete. I have contacted a book cover artist.
After that, I think that the next book to be published should be the first in my Urban Fantasy series. I have been working on that for years.