Nevermore by Kelly Creagh

Isobel can't believe she's paired with goth Varen for an English project. Varen seems equally disgusted, so their project is not off to a good start.

When Isobel's boyfriend and friends trash the ice cream shop where Varen works to make Varen stay away from Isobel, she realizes maybe Varen isn't so bad afterall. At least he handles things better. Isobel can't believe her boyfriend would do something so horrible.

Weird things start happening to Isobel after that night. First, she's chased through the woods behind her home. Then she meets a man who introduces himself as Reynolds and informs her she's going to save them all. She has no idea what he means, but shadow creatures begin to stalk her nightmares and even in the real world. Before she knows it, she's in a world of Varen's making.

And they're all going to die.

This is the first in a series, so be ready to want the next one right away. Isobel and Varen eventually figure out their feelings, only to be ripped apart. There are lots of references to Edgar Allan Poe throughout, especially since Varen is a huge fan and according to this story, the same thing that makes Varen go over the edge did the same for Poe.