They've been best friends for years, but when the first week of high school rolls around, Claudia and Monica know things are going to change. Boys, homework, friendships - everything seems to be different from middle school. Can their friendship survive? Characters Claudia and Monica each have their own series of books prevously published taking place while the characters attended middle school. Author Diana Gallagher has written books that have turned into successful TV series - Buffy the Vampire Slayer, Charmed, and Smallville. Book is written through two perspectives - one chapter through Claudia's eyes and the next through Monica's. Ages 9-13.