Los Secretos de la Reserva de Dragones / Secrets of the Dragon Sanctuary

Two hidden artifacts have been found. Three more remain unrecovered. The race is on to acquire all five of the artifact keys to the great demon prison. Will the Knights of the Dawn conquer Wyrmroost? Who can stop the Sphinx? Can Vanessa be trusted to help? What artifact will be found next? Find out in Fablehaven: Secrets of the Dragon Sanctuary