Girls acting catty

"Sixth-grader Annabelle spends autumn coping with competing groups of friends at school, her mother's pre-wedding stress, learning to get along with a cute stepbrother-to-be, and such momentous events as wearing her first bra and learning to shave her legs."@en
"Sixth-grader Annabelle spends autumn coping with competing groups of friends at school, her mother's pre-wedding stress, learning to get along with a cute stepbrother-to-be, and such momentous events as wearing her first bra and learning to shave her legs."
"For Annabelle, starting middle school hasn't been so bad. She's made an awesome group of friends, and it turns out that taming those wild boys is a lot like training a puppy! But now Annabelle is about to encounter a whole new kind of headache: Taylor and the Three Terrors. There is no training manual for this clique of girls; they are too cool for school, and they definitely don't like Annabelle and her friends. But sometimes Taylor acts super nice, and Annabelle feels torn ..."@en