New York Times and USA Today bestselling author Amelia Grey brings all the charm and allure of Regency England in this sparking historical romance:A family dynasty in danger of falling apartA secret someone is determined to keep buriedA lady willing to do anything to honor her familyAnd the handsome rake resolved to protect herPerfect for fans of the Bridgerton seriesMiss Arianna Sweet's beloved father discovered a formula that could be the cure for consumption. But before he could make his discovery known, he died suddenly and under suspicious circumstances. While determined to bring his formula to the attention of London's prominent medical society, Arianna suffers a series of increasingly dangerous accidents and is forced to conclude that someone is after the formula, and her very life may be in danger.Rushing to the countryside to her father's old friend Lady Elder, Arianna is shocked to find that she must rely on that venerable lady's grandson, Lord Morgandale—one of society's mos