Frost, standing in the corner, rolled his eyes.“Funny,” said Jane. “You look human to me.”“That’s just on a superficial level. But if you examine my cells, if you look at them under a microscope, you’ll see that I’m different. Since I was just a kid, I’ve known that I wasn’t like everyone else. I don’t need food like you do. I can survive perfectly well on just air and …”“Wait, don’t tell me,” Jane said. “Blood?”The boy’s eyes narrowed. “You’re mocking me.”Oh, you think?“Are you telling us you’re a vampire?” asked Frost, managing to keep his face perfectly serious.Lucas looked at him. “If that’s what you want to call us. We’re a subspecies of human, nocturnal and hemophagic. That means we devour blood.”“Yeah, I got that. So whose blood do you devour?”“We don’t kill people, if that’s your question. We’re the pacifist branch of our subspecies. Sometimes volunteers will donate a few tubes to feed us.”“Volunteers?”“Friends.