“The sooner Harkness stopped walking, the sooner he could stop walking. That was the simple truth. That was logic. But something went deeper, a truer, more frightening logic. Harkness was a part of the group that Garraty was a part of, a segment of his subclan. Part of a magic circle that Garraty belonged to. And if one part of that circle could be broken, any part of it could be broken.”