Stolen Light - The Light Chronicles, #1

Great Tree, the famed merchant, takes his two children, Wakangli and Iyatan, across the sea to teach them the family business.  Wakangli's powers are not normal for an elf maiden but no has ever questioned them or used them against her until now. While learning her family trade, Wakangli is kidnapped by her father's traitorous crew because of her powers to locate lost or hidden items. She will have to ally herself with a fierce man who could end up being her doom of her powers are unable to save her.