The Noble Suitor (Eligible Lords for Proper Ladies #4)

Lady Gloriana starts this Season determined to marry the Duke of Farnham. No one else will do. She asks her Grandmama to teach her the duties of a duchess.
The Duke, Ryder Edgerton, encouraged by his mother, has decided Gloriana is too young and too inexperienced with society standards to make a good duchess. But, when he finds Gloriana in the library upset and frightened about what she overheard, he has to come to her rescue.
A trip to the Duke's largest estate reveals everyone's true feelings. Once Ryder proposes, a secret regarding Gloriana is exposed. Will it threaten their new found happiness?