My name is Bobby Singer. In twenty-four hours I m gonna lose my memory. So here s everything you need to know. Monsters, demons, angels, vampires, the boogeyman under your bed: I ve seen it, I ve hunted it, I ve killed it. I m not the only hunter out here, but there aren t as many as there used to be. Not near as many as there need to be. I ve learned everything I can about every damned critter that walks, crawls, or flies, and I m not gonna let that...