The Bonemender Series by Holly Bennett

When Dominic's children are kidnapped by raiding pirates, Gabrielle and Feolan find themselves drawn into their most frightening adventure yet, a sea journey into unknown lands. The adventure takes a deadly turn when the Gray Veil, a plague that slowly chokes its victims, strikes the harbor town where the children have been taken. Gabrielle's healing powers are needed as never before, and in the end, it seems, she must choose: She can only save one, her husband or her niece.

The war is over, but the danger is not. In "The Bonemender" Gabrielle acepted her talent. Now, the war is over and both Gabrielle and her brother Tristan struggle to deal with the consequences. They have yet to understand that the threat from across the mountains has only withdrawn and they will have to fight for their lives and those of the ones they love, as another threat arises closer to home.

When Dominic's children are kidnapped by raiding pirates, Gabrielle and Feolan find themselves drawn into their most frightening adventure yet, a sea journey into unknown lands. The adventure takes a deadly turn when the Gray Veil, a plague that slowly chokes its victims, strikes the harbor town where the children have been taken. Gabrielle's healing powers are needed as never before. In the end everything hangs on one choice.