Gertrude Barrows Bennett 
Claimed! 

This science fiction novel is an immersive tale of dark fantasy, combining the occult with a nautical adventure. The story opens with soldiers discovering a recently formed volcanic island. They bring back a mesmerising green artefact, which eventually ends up in the hands of a New Jersey millionaire named Jesse J. Robinson. Jesse and his niece are soon haunted by horrible hallucinations and gruesome visions of the sea. A doctor begins to investigate and is horrified by what he starts to discover… If you love the story of ‘Moby Dick’ and dark adventures of the sea, you’ll love ‘Claimed!’-