To Win Her Heart by Brenda Novak

April Ashton needs to do something about her roommate from hell — who just happens to be her mother. If she doesn’t get her parents back together and get her mum out of her hair, she’ll go crazy. So April schemes to take them on a getaway to Mexico, hoping the vacation will lead to romance. And it does — but not in the way she expected. Because her parents have a plan of their own in mind, and it involves April and heartthrob race-car driver “Gunner” Stevens…

Originally published in 2004 as What a Girl Wants