What is it about scary stories? We, collectively, just can’t get enough. Whether creepy wet girl-child, voraciously sexy vampire, gangrenous undead, or senselessly psychotic scythe-wielder waiting to kill, we keep coming back for more. Horror consistently tops the bestselling and box office lists, whether presented as out-and-out gore or more seductively as true crime or psychological thrillers. Just what is the secret to keeping an audience on the edge ...