Gatekeeper

Rachel Wilde comes from a dimension that exists adjacent to ours. The people there have structured their society around daemon collecting: they locate, catch, and repair malfunctioning daemons (creatures out of phase with our world that tempt people to do good or evil). Now Rachel has been given two unusual assignments: 1) find a person who has been trying to break down dimensional barriers, and 2) track down a missing line of gatekeepers, human placeholders for a daemon that was too badly damag