The Daddy Secret (Return to Brighton Valley, Book 1) by Judy Duarte
His secret son
When Mallory Dickinson comes home with the son she gave up for adoption at seventeen, she knows she has to face her past. Ten years ago, she fell hard for Rick Martinez. But is the irresistible Brighton Valley troublemaker turned beloved vet really ready to be a father?
When Rick finds out Mallory's returned with the son he never met, he knows this is their second chance. It's time for this rebel with a cause to prove he's got what it takes to become the family man he's always wanted to be.