The Viscount and the Virgin

"I am not at all the kind of girl a future earl ought to marry. " Imogen Hebden knew she was no Diamond of the Ton. A clumsy, gangling spinster more like! This last-chance season was sure to be a disaster. What sort of suitor could she - at four and twenty with no town bronze - hope to catch? And then she had her proposal! Viscount Mildenhall, son of the Earl of Corfe, the most eligible, most arrogant rake in London claimed to find her guileless ways irresistible.
But inexperienced as she was, Imogen could tell he was in an indecent hurry - particularly when it came to producing an heir.