Little Tongues of Fire — Barbara Cartland

Alveric, Duke of Quarrington, was well pleased. If his neighbor's niece, Miss Vina Wallace, proved willing to marry the Duke's debauched and raffish brother for the sake of a title, well and good. Her fortune would relieve the Duke of a wearisome burden....

But Vina's unexpected and ethereal beauty, her purity of spirit, awoke misgivings in the handsome and worldly Peer -- and stirred a tender new dream in his long-sheltered heart. And when Vina fled his cold-blooded scheme, the Duke vowed to win the precious gift of Vina's perfect love....