This Book Is Bout A Woman Who Runs Away From Home Because Her Brother In Law Tries To Rape Her. She Leaves In The Middle

[Aethelbeorn]

Of a snow storm and falls off her horse and almost dies. She is saved by a man(maybe a duke or earl) He nurses her back to health but his friend visits and finds the girl there. She is compromised and he insist that they marry. She refuses. He takes back to London with him and she stays with his aunt until they are married. It is a marriage of convenience. The book is a historical romance.