I'm now 35000 words into my new project. It's a traditional detective whodunnit and the hardest thing I've tried to date. You have to tie everything together: dates and times have to be consistent. This will be my shortest book and I'm already starting to pull all the threads together. I knew from page 20 who the murderer was but I let the story flow naturally. I'm not really into pre-planning. I haven't a title so far. Most of the book is set in my county Hampshire but there is an episode in Melbourne. I've had a bit of fun at the expense of Australians but then they do that to us anyway with interest.
Writing is the easy part. Next year I will try and sell this one if I still think it's good enougth.