In this captivating climax to the award-winning Harwood Mysteries series, Xan must unravel his most perilous mystery yet. Xan, Christina, and Lucy undertake a dangerous voyage across treacherous seas so that Xan can confront Moorish pirates who are holding Uncle William for ransom. When the friends encounter a sinister evil force, their faith and friendship is put to the ultimate test. Set at the dawn of the Third Crusade, their adventure is brimming with peril and intrigue.

Will a malevolent figure from their past thwart their mission?

Are demonic forces at work outside the city walls?

​Will Xan and his friends fall prey to the dark forces that threaten to consume them?