What Is the book abuela invents the zero summary?

"Abuela Invents the Zero" by Judith Cofer is a coming-of-age novel about a twelve-year-old girl named Doris who spends her summer in Puerto Rico with her grandmother (abuela). Through their time together, Doris learns about her heritage, family dynamics, and the importance of embracing her cultural identity. The novel explores themes of family, tradition, and self-discovery.