I'm no fan of numbers. Maths scares me. Percentages bring me out in a rash and algebra makes me cry. So I didn't think I'd enjoy Sudoku, but I do. A few years ago I couldn't get enough of the tricky little blighters and I'd sit and ponder with a pen in my hand, dropping numbers into boxes until all 9x9 of them were complete. Then I lost interest in the puzzles and didn't touch Sudoku for years. But recently I've found my way back into them. It started when I picked up a free copy of Metro on the bus into town and found three Sudoku puzzles inside. Three. There's an easy, a medium and a tricky one to do. I can usually do the two first ones, but not the latter. I'm not that good. Anyway, the point of telling you this is that sitting down to solve a Sudoku puzzle has, rather oddly but most definitely, helped my short story writing. It's working my brain in a different way. Instead of writing and editing blog-post sized chunks of writing , Su...