At 5:15 P.M. sharp, Marek stood in the open doorway to my lab. “Are you done?” he asked. “I guess I’m going to have to be. I have a half dozen more slides I was going to look at but I suppose they can wait.” I turned off my microscope. “Just give me a second to grab my briefcase.” I felt vaguely annoyed at being told when to quit for the day, but on the other hand I wasn’t thrilled with feeling eternally rattled by the things that had been happening either. “We’ll take your car to your house. I’ll leave mine in the parking lot here until tomorrow.” I looked at the large black gym bag in his hand, and it suddenly dawned on me that ‘round the clock’ meant he was going to be staying at my house. I wasn’t sure how I felt about that. I had a spare room with a bed in it (and a hell of a lot o