The Duke Becomes King. The Rocking Royals Series, #3

In the third book in the Rocking Royals Trilogy, Peaches and Auggie face their biggest challenges yet, as a couple and as the new sovereign leaders of Aldayne. Their enemies continue to advance on their happily ever after, and every choice they make will test their love, their family, and their endurance as explosive secrets are finally revealed, changing everything they thought they ever knew. Worse, with Christopher coming after their precious Jack, they find themselves playing right into the hands of the diabolical House of Byrne, which will change the history of Aldayne forever. All the people they love are at risk as old ghosts come back to haunt them in ways they never imagined.
Their love for each other may just be the only salvation they have left.