60,000 Words
They thought that as long as they had each other they would survive. But what happens when reality begins to blur and their worlds turn upside down?
CW: brief mention of possible suicide (nothing particularly intense)
Ally uses the Emily arc very effectively, by having the case file of another 'Emily' land on Mulder's desk. Although it's not an X-File, it's a chance for he and Scully to head back to San Diego, and discover more about these children who weren't meant to be.
It's a layered story that keeps up the pace throughout as all kinds of drama ensues. I know Ally did some fan art but I don't remember seeing any specifically for her novels. I'm not prepared to trawl through years of tumblr posts to find out for sure either...