Book 2 in the Dragon Heart series, by Griff Hosker.

The Vikings on the Island of Man are set on revenge. Their families have been kidnapped and taken to Ireland. To rescue them they find themselves fighting not only Hibernian warriors but renegade Vikings too. The perpetrator of the act, Tadgh, escapes and a chase ensues. A fast moving book the story moves quickly to the land of the Angles as Dragon Heart seeks the treasure of Rheged.

A gripping tale filled with action and adventure set in the early years of the ninth century.