The Reaper Rises — Kristen Taber

Book 4 of the Æerenden SeriesIn the months following Meaghan's reported death, her kingdom has chosen to reestablish villages, hiding behind protection spells Garon continues to breach. Nick barely holds the Æerenden people together as he prepares them for the final battle.
Meanwhile, the Shadow Guard still thrives. Their spies have infiltrated every part of the kingdom, working to eliminate the royal family and a power they believe will destroy everything good.
Hope and trust have given way to fear and despair. Death seems imminent. And a senseless voice from the past offers the only clue for survival. Keep a fire burning...