Count on third-grader Grace to cook up a creative compromise just in time to save the day at the cupcake-themed school fair.

When a struggling student teacher assigns a group project, seven-year-old Just Grace gets so involved in working with Grace W. and Grace F. that she fails to understand why she and her best friend, Mimi, are drifting apart.

While Grace and her best friend Mimi are waiting for the arrival of the baby sister Mimi's family plans to adopt, Grace gets a big surprise.

As Grace and her classmates study foods from other cultures, she has the opportunity to ponder such mysteries as whether Owen 1 is really bad or not, why she feels jealous when her father helps her best friend with her hot dog report, and how Augustine Dupre, her family's French boarder, can be so wise.

"Everyone in Miss Domino's class is excited about the school play and its lead role, the super-sparkly butterfly. Birdie knows she'd be perfect for the part, unfortunately, she's not the only one who feels that way. Eight other classmates also want the starring role. And even worse, one of them is Anya! And doesn't Anya always seem to get her way?