Fancy a cup of magical tea? Come in, sit down, relax. Don't mind the killer in the corner... All Emma wants is to sell her enchanted teas in peace; instead, she's caught up in the chase for a killer who's stalking the streets of London. He's targeting half-bloods, people with limited magical ability. People just like Emma. The police are baffled by the long string of deaths, but they're not willing to put in the...