Four in Hand (Book #51)

Four in Hand (Margaret Westhaven, 1993) is a traditional Regency romance set at the Congress of Vienna in 1814. A diplomat's 30-something widow is there with her two daughters (one of whom is old enough to be out socially herself, as the widow married young), a friend's daughter, and a goddaughter, hence the title. The widow begins an affair with a somewhat younger man and is shocked and dismayed when he wants marriage. It's an interesting read, albeit so full of subplots I never felt like I got to know the hero and heroine enough to believe their happy ending.