An author colleague posted recently on Facebook that she’d been for a walk and it had helped her to sort through her ideas for a new novel. I’m a great believer in walking as a way to stimulate thought and many of my days begin with an hour of walking through the park and by the river with my dog. Sometimes this helps me work out a problem or an issue; sometimes it just helps to clear my mind so that I can do something productive when I get home. However, I have discovered