“Dalton is the editor of “Mythtym,�? a new anthology of essays, fiction and artwork -- both serious and campy -- about werewolves, unicorns and what she calls “mirror horror.�? As she explains: “If you watch enough of those movies, they’re all exactly the same. These splattercore movies have their own tropes -- like how the best way to show blood is to cut someone up in the shower so you see it on the tiles. But then you realize that these clichés are based on archetypes. The mirror as a symbol seems most powerful in a time of fear, when people step back and look at themselves.�?