"I've been to ancient Rome!" Rose chimed in helpfully. In a library. Loudly. "I can help," she nodded cheerfully. "You should go as a gladiator soldier, champion of the gods, that way no one'll look too much at the hair. And if you pretend to be a slave, you'll have to defend yourself, but they'll notice you even less. Just don't run into anyone obnoxious. I'm always doin' that." And how.