It's a web exclusive, part of the new monthly 'Pin-up' series of shorter stories, in the 1500 word range. The first few--by Laura Madeline Wiseman, Matthew Salesses and Stephanie Soileau--have been out-of-hand good.
Can't say enough about how awesome everyone there has been during the process. Very excited about this.
*update: tiny bit of background available at the ASF blog.