A few links, before the cold knocks me over:
Polling Your Intestinal Flora: How a Writer Cultivates Instinct by Chuck Wendig (standard Wendig disclaimer: he’s swear-y and kinda odd, but gives useful advice)
Authors, Please Don’t Do This: Advice on approaching bookstores.
The Straight Talk on Social Media for Authors
Could Detectives Use Microbes to Solve Murders? Not yet, but if you’re considering “blending” genres, this could be good for a sci-fi detective.