Thrice burned : a Portia Adams adventure

Set against the background of 1930s England, Jewel of the Thames introduces Portia Adams, a budding detective with an interesting -- and somewhat mysterious -- heritage. Nineteen-year-old Portia Adams has always been inquisitive. There's nothing she likes better than working her way through a mystery. When her mother dies, Portia puzzles over why she was left in the care of the extravagant Mrs. Jones but doesn't have long to dwell on it before sh...