ONE Looking back on it later, Claire thought she should have known trouble was coming. But in Morganville,anything could be trouble. Your college professor doesn't show for class? Probably got fanged by vampires. Takeout forgets to put onions on your hamburger? The regular onion-delivery guy disappeared--again, probably due to vampires. And so on. For a college town, Morganville had a remarkable lot of vampires. Claire was an authority on those subjects: Texas Prairie University and, of course, the vampires. And mysterious disappearances. She'd almost been one of those, more often than she wanted to admit. But this problem wasn't a disappearance at all. It was an appearance--of something new, something different, and something cool, at least in her boyfriend, Shane's, opinion, because as Claire was sorting through the mail for their weird little fraternity of four into the "junk" and "keep" piles, Shane grabbed the flyer she'd put in "junk" and read it with the most elated expression she'd ever seen on his face. Scary. Shane didn't get excited about much; he was guarded about his feelings, mostly, except with her.   Now he looked as delighted as a little kid at Christmas. "Mike!" he bellowed, and Claire winced and put her hands over her ears. When Shane yelled, he belted it out. "Yo, Dead Man, get your ass down here!" Michael, their third housemate at the Glass House, must have