WRITE A NOVELLA and publish it because you should keep writing. It is nice to see your name in print, and it is low risk. If it flops, it is a novella. It isn't a novel so it isn't your concept. You just didn't understand SEO.
Here's my book's info: http://www.amazon.com/gp/product/B01CCCZUKI?*Version*=1&*entries*=0. Cover art is below.