Eternal Darkness - The Light Keepers Trilogy, #2

There is something brewing in the town of Blackheath.something dark and ancient with the power to change the world forever. Victoria knows that she should leave the past where it belongs-buried and forgotten-but her intuition tells her otherwise. She knows that there is more to her sister's disappearance, and she can feel that her fight against the darkness is not over yet. Victoria's hunt for the truth leads her down deeper into the secrets and dangers of the world of magic.
But with a new threat looming and an eternity of darkness waiting at the doorstep, she must prepare for her hardest challenge yet. In this battle, failure is not an option.