Kara and Rose are best friends forever. They have a friendship necklace and they are both going to be princesses at the costume party at the club. But then, Julie starts going to their school, and suddenly everything is different for Kara. This is the first book in the popular series about Kara and her friends. The books are about friendships, school and getting older. It catches the audience exactly where they are. The books can be read independently of each other. Line Kyed Knudsen (b. 1971) debuted as an author of children's books and books for YA in 2003. Since she has become one of the most popular authors for the age group in Denmark.