Lord Foxdown (the Four Lords' Saga Book 3)

This is Book 3 of an ongoing series. They need to be read in order. These books are NOT standalones.Gareth Edward Russell, Lord Foxdown, is a victim of 'coup de foudre, ' love at first sight. The object of his love is the eldest unwed sister of his friend the Duke of Weirlane. Gareth is determined to marry the young woman, and the duke is just as determined that Foxdown will not. After all, the duke has fought two duels in the past for lesser reasons.
Lady Anna Maria Copley has also been struck by cupid's arrow and has fallen in love with Gareth and will wed no one else. However, her brother's opposition may prevent her from ever marrying the man she loves. And she has a secret that very well may kill the love affair when Foxdown learns of it. Add a suitor determined to have Anna's dowry and you have a shocking mix of 'who marries whom?"