The Talisman by Sir Walter Scott

The Talisman is a gripping tale set near the end of the Third Crusade. King Richard the Lionheart is grievously ill, and all around him the leaders from allied countries plot and scheme to gain personal power, putting the future of the crusade in jeopardy. Sir Kenneth of Scotland finds himself caught up in events, and finds both his honour and his life are now on the line. Can a cure be found for the King? Can Kenneth redeem his honour? – Written by Rowen.