I'd forgotten about it -- my memory is about as strong as your average kids treehouse -- but when Song of the Serpent was coming out, Paizo asked me to promote the book by writing a prequel short story, "Krunzle the Quick," which was published online in briefly weekly episodes.

Anyone who's interested can read it free at http://paizo.com/pathfinder/tales/ser...

Just click on (show post) in the upper right corner.

The story is also available as a 99-cent ebook from the Paizo store: http://paizo.com/products/btpy8tce/di...

Here's the ebook cover: