How to market a sequel
I got very excited when I stumbled across National Geographic's style sheet. Not everything is suitable for novels, but it's extensive and a great standard for most things.
A brilliant post to help you get deeper into your character's head
The first ten pages
A good reminder about what's supposed to happen in the middle of your novel
How to set up an Amazon giveaway:
I'm going to add here that I tried this and wasn't pleased with the results. It was supposed to run for a week, but instead Amazon shut it down after less than 24 hours, saying the giveaway had been "claimed." Supposedly, they're investigating, but I haven't heard back yet.