Series Overview:|Carter and Rosalinda are both back to their normal lives in Louisiana and Costa Luna. They stay in touch via text, email, phone, and even the occasional visit. Carter tells her friend all about her father's other completed PPP missions, still able to have a laugh over some princesses' antics. Sometimes Carter and her father joke about her going on missions with him--after her plan to save Rosie, her father knows she could someday follow in his footsteps--but he makes it clear that she's not to do anything like that ever again. But Carter doesn't seek out trouble, especially when it comes to princesses--it just happens to find her. #2--Royalty UndercoverCarter Mason is going to Costa Luna for a week to visit her best friend, the Queen! Rosalinda is preparing for Independence Day festivities, and Carter can't wait to join the fun. Rosalinda has another special guest at the palace, though-a spoiled, demanding, nine year old princess! Carter tries to teach the young girl how to blend in and be a true princess, which is no easy feat. Especially when she tells the girl she's a royal herself and is overheard by a boy in the marketplace. He's cute, he's smart, and Carter's crushing hard. But will he still like her if he discovers her secret?