Summary of the book best friends forever by Angela shelf medearis?

"Best Friends Forever?," is a book about a girl named, "Sharie." She is living a tough life, with her baby sister always getting her in trouble, and her big sister always getting the awards, and good grades! Now she's losing her best friend, "Hannah,"to someone else! Hannah met this other girl a long time ago, and now she's transfering to their school, the new girl tries to be nice to Sharie, but Sharie just can't trust that girl, because she's stealing Hannah from her!