From Caldecott Honor artist Mary GrandPré, a tale of BIG ideas, little inventors, and the magic of creativity.Cleonardo's father is an inventor. So was her grandfather, her great-grandfather, and all the great-greats before them. Cleo wants to be an inventor too. She tries to help her father in his workshop, but he never uses her great ideas. Can Cleo invent something big and important and perfect all by herself? This imaginative story of a father and his daughter brings the magic of creativity to little inventors everywhere.