Waters of Chaos

In modern day Seattle, Mandy is a young witch with the gift of moving things, even material things like magic. But while her skill is unique, she lacks power. Only a joining with the Duke of the House of Merlin will provide the power she needs to fully use her gift. But at what price?
The independent Mandy clings to her freedom in the face of her family's opposition until an idiot prince of the undersea realm of the Puget Sound mers threatens to drown the whole world. Can she stop Prince Dormolon? And at what price?