New Orleans mysteries (T. G. Herren)

When the mysterious letter arrives by courier, Valerie Cooper doesn't know what to make of it. She's become the beneficiary of her late husband's estranged uncle's will - a man she never knew - and inherited a majority partnership in the family's company, New Orleans Fine Antiques. When a wealthy local businesswoman is found dead with a jewelled dagger sticking out of her chest at a masquerade, Valerie is pushed into investigating Collette's business...