Stella Diaz Dreams Big is the third book in the Stella Diaz series and Stella is finally in fourth grade! Her brother Nick is a high schooler, and both he and Stella are shocked by the volume of HOMEWORK they now have to do compared to what they did in their prior classes. Nick is also working part-time at a pizzeria and Stella’s fourth-grade goals have her signing up for several extracurriculars — and stretching herself thin.