Seat of Storms

The second book in The Lyonesse Stone trilogy. Seat of Storms tells the story of John and Penny Trevelyan's reluctant involvement in the rapacious activities of the lawyer Ezekiel Grosse and Margaret Vingoe. But "Madge Figgy" has the supernatural powers of a witch and John and Penny need all the help they can get from beings such as the blacksmith Jack of the Hammer and mermaids -- "Children of the Sea."