Blackveil (Green Rider, 4) [Britain, Kristen]

Forced by magic to accept a dangerous fate she would never have chosen, headstrong Karigan G'ladheon has become completely devoted to the king and her fellow Riders. But now, an insurrection led by dark magicians threatens to break the boundaries of ancient, evil Blackveil Forest--releasing powerful dark magics that have been shut away for a millennium.