Bone China: A Richard Lacey Detective Mystery

When a young Jewish woman turns up missing; Detective Richard Lacey sets out to find her. He suspects her disappearance is linked to a dispute with Brenton Pottery her employer. But it does not explain the other people that are also missing.
Lacey searches the old, abandoned Brenton factory on the Susquehanna River, and finds a kiln that he suspects was used to cremate bodies. Or was it?
What he learns throws him into a sea of intrigue and danger.