White Elephant Dead:

Murder is, surprisingly, not all that uncommon on timy Broward's Rock, an idyllic sea island community off the South Carolina coast. Annie Darling's popular mystery bookshop, Death on Demand, is where the locals come to discuss the juicy details of each criminal offense--under the watchful gaze of a pampered feline prima donna named Agatha. But now Annie's dear friend (and best customer) Henny Brawley stands accused of murdering a Women's Club volunteer-cum-blackmailer. So Annie rouses her husband Max into action, and together they dive into the shark pool of dotty eccentrics and imperious belles who constitute the island's smart set. Because only there can the Darlings prove hapless Henny innocent--by detemining who among the well-heeled had the dirtiest little secret...and would kill to protect it.