Mary E StibalMary E. Stibal has never considered 'less is more' a virtue, especially when it comes to gems. (Think Mrs. Simpson.) Mary has also long known that beautiful gems are a stone-cold motive for any manner of crime. Especially murder. So using her decadeslong business background, Mary weaves stories of the deadly confluence of Boston's super-rich and their breathtaking jewels with blinding ambition and murder into The Gemstone Mysteries. Read More Read Less