After we write our book and get a publishing contract, or publish it ourselves, the really hard work of marketing and promoting takes over our lives. We invest in some advertising and do a lot of social media marketing, but sometimes it feels like we're throwing wet pasta at the wall to see what will stick. It's often a crap-shoot when it comes to seeing a return on investment in terms of actual sales, not to mention all the time we put into these endeavors - time that we are not using to write that next book. When it comes to getting books into the hands of readers, most publishers and indie authors target book stores. After all, that's where people go to buy books unless they buy from online retailers. But what about other brick-and-mortar stores? For a short time I was connected with a group that held signings at Kroger grocery stores in 2012.  When I first heard about those, I was surprised at the idea of selling books along with the lettuce, but I thought, what t...