From her site:
My Reader’s Block is proud to introduce the Follow the Clues Mystery Challenge. Since mysteries are my primary genre, I wanted to develop another mystery challenge that would be more all-encompassing. Unlike the variations of my yearly Vintage Mystery Challenge, this mystery challenge will have no publication date limits. If it’s a mystery–it counts and it does not matter when it was published. Your goal? To follow a set of clues furnished by the mystery books you read to create a body of evidence to support a book court case. Each book clue should lead you to your next read. The connection can be anything at all from author names to motive for murder to type of mystery (police procedural, espionage, romantic thriller, etc) to an item on the cover, but you must be able to make your case to the jury on your detective logic. I would prefer that you not read eight books from the same author and use the author/series character/etc. as the clue link, however.
There are several levels of participation:
Infraction — six books read in a single chain of evidence
Misdemeanor — eight books read in a single chain of evidence
Felony — ten books read in a single chain of evidence
Capital Offence — twelve books in a single chain of evidence
You can find the rules and sign-up at My Reader’s Block.
I’m signing up at the Misdemeanor Level for now.