I have written for a lot of theme anthologies, but I always find it difficult. Somehow, my mind functions better when I can choose everything about the story for myself rather than having some aspects of it pre-chosen. Also, I seem to do my best work -- or what I consider my best work -- other than when I write for theme anthologies. So why do I do it?
Sometimes because I feel flattered at having been asked. Sometimes because the theme sounds intriguing and I want to try the setting or idea or whatever the theme is. Sometimes because I already have an idea that sort of fits what's being proposed. Sometimes because, like Everest, the thing is there.
Now that my novella is finished, my next proect is a story for a theme anthology. R-Spec, the Rochester Speculative Fiction Fans, is going to publish an anthology called The North Shore: 2034. All the stories will take place in 2034 in Rochester, New York, which was founded in 1834. Since I've lived in Rochester most of my life, I ought to be able to set a credible story here twenty-six years from now -- I hope. Maybe. God willing and the creek don't rise. All I know so far is that it will involve genetic engineering (surprise, surprise). Let's hope I can make it work.