I first encountered Katie Coyle’s fiction in her story “Fear Itself” (published by One Story), which features teenage girls being stalked and emotionally abused by a possessed wax figurine in the shape of Franklin Delano Roosevelt. This is not the kind of story one takes lightly: it’s creepy, it’s strange, it’s totally absorbing. And so I was thrilled to learn that Coyle’s debut Young Adult novel Vivian Apple at the End of the World…