The headmasters

"How do you learn from the past if there isn't one? Sixty years ago, something awful happened. Something that killed everyone except the people at Blue Ring. Something that caused the Headmasters to appear. But Maple doesn't know what it was. Because talking about the past is forbidden. Everyone at Blue Ring has a Headmaster. They sink their sinewy coils into your skull and control you, using your body for backbreaking toil and your mind to commu...