Amber Brown and Justin Daniels are best friends. They sit next to each other in school, help each other with fractions and spelling, and always stick up for one another. But when Justin finds out that he is moving away, everything begins to change.
Is Amber Brown ready for fourth grade? She has new sneakers, new notebooks and pencils, but she doesn't have what she really needs - a new best friend. How can Amber go fourth without one? Who will be Amber's best friend?