Put Your Best Duke Forward by Emily E.K. Murdoch

Joseph Chisholm, Duke of Wincham doesn’t need a damn horse trainer to tell him what he already knows: the loss of his leg makes riding impossible.
His doctor, on the other hand disagrees. Doctor Walsingham recommends a trainer who has never failed, and so Joseph begrudgingly agrees to meet the man. He’ll soon see the situation is impossible.
So when a dazzling beautiful woman—in breeches!—arrives at his door, even Joseph’s self-imposed isolation isn’t enough to make him forget the impropriety of the situation.
But Harriet Godwin, or Hattie to her friends, doesn’t care. This irritating Duke who’s never cared much for his neighbors or his tenants can go to hell as far as she’s concerned…