Daniel Borges lives in Cedar Park, Texas, and is a 2nd grade student at Charlotte Cox Elementary School. Like the main character in this book, he is a very curious and highly imaginative boy. Alvaro Esteves is Daniel's grandpa and lives in Rio de Janeiro, Brazil. He is a business consultant, the author of Tempo Organico and other management books. He spends a couple of months each year in Cedar Park, visiting his family.