Zombies VS. Unicorns edited by Holly Black and Justine Larbalestier

Unicorns and zombies battle for supremacy in this ultra cool collection of short stories edited by YA rock stars Black and Larbalestier.  The rival authors engage in a fervent back-and-forth argument before every story, each claiming that her supernatural creature is the more badass of the two. But the spectacular stories the two editors have [...:]