Here is the book I got sucked into last night:
Shadow Unit 1. http://wiki.shadowunit.org/index.php/Shadow_Unit
Elizabeth Bear and Sarah Monette are two of my favorite authors, and the concept intrigued me. They are writing a TV program with out ever filming it. They created all the back ground, character, and mythology as a group (there are others involved, they are just my favorites before I started) before they wrote the stories. And the stories flow together like episodes of a show even though they are written by different people. They have an amazing amount of continuity for a “collection”.
Another great thing about it, the creator set up live journals and twitter accounts and emails for the characters that they update like they are real people. I am a big geek, but that amuses me. In a good way.
If you like supernatural fantasy, check it out. I’m addicted. 🙂