Mr. George Baker by Amy Hest

Harry and George are friends. George is a 100-year-old jazz musician and Harry is 7.
They have a lot in common. They both have red backpacks and go to the same school. They are also learning to read. George can’t read, A hundred years old and never learned how. "That must be corrected," says George. Amy Hest captures the warmth of this unlikely friendship in this tender story of the challenge to conquer illiteracy.