A Celtic warrior defending her people from Viking raiders infiltrates an ancient sect to save her homeland, in this gripping original saga set in the world of Assassins Creed(R) ValhallaMercia, 878. Witch-warrior Niamh discovers a new order called the Hidden Ones is seeking to establish a foothold in Lunden. Her land is already scarred by Viking raiders, bloody wars, and clashing cultures. Determined to protect what remains of her homeland, she infiltrates this new group to discover whether the ...