William Ridley and the Celtic CrossOne stormy night at Tantallon Castle and the discovery of a Celtic Cross are about to catapult William Ridley into battle with forces unseen. But, how will his friends react when they hear he's been attacked by demons? And even if they believe him, how will he stand against a legion of dark forces intent on destroying him? Set amid Scotland's legendary landscape and often bloody history, the spiritual warfare is real, the path often dark. Hold Fast as William embarks upon an epic adventure of friendship, faith, heartbreak and hope