She wants to work on a pit crew-not be a princess.Determined to be a member of a racing team's pit crew, the last thing mechanic Isabel "Izzy" Poussardexpects is for a gorgeous guy to step out of a limousine and tell her she's a long-lost princess...and his wife.Crown Prince Nikola "Niko" Kresimir of Vernonia wants one thing from Isabel: an annulment. The pretty American wearing grease-stained coveralls is too rough around the edges to be the future queen. Their marriage, the result of an archaic custom neither knew about, needs to end so he can modernize his country.As sparks fly, Niko and Izzy fight their growing attraction for each other. Neither wants to remain in an arranged marriage, but that might be the only way to keep peace in the kingdom. Is a love match possible where all their dreams can come true? Or will aspirations and pride keep them from living happily ever after?Her Royal Duty Series: Book 1: The Accidental Princess (Christina and Richard)Book 2: The Reluctant Princess (Izzy and Nico)Book 3: The Not-So-Perfect Princess (Julianna and Alejandro)Book 4: The Proper Princess (Madeleine and Enrique)