Madison, Ada

Ada Madison (aka Camille Minichino & Margaret Grace) writes the Sophie Knowles Mystery Series which takes place in Massachusetts and started in 2011. It features Sophie who is a college professor. Sophie teaches math and solves murders. As Margaret Grace, Camille writes the Miniature Mysteries Series which started in 2008 and takes place in California. It features Geraldine Porter, a retired school teacher who now loves to create miniatures. Camille wrote the Periodic Table Mystery Series which ended in 2006.