Countess by Christmas - House of Haverstock, #5

Inheriting Darnley Lodge from old Lord Paxton is the best thing that's happened to lovely widow Mary Milne, whose fondest desire is to remove her ailing little boy from London's noxious air. Why in the devil did his dead father request that Lord Paxton spend Christmas at Darnley with the scheming woman who's deprived him of his family's old hunting lodge?