About Dia from ALA.org
Children's Day/Book Day, also known as El día de los niños/El día de los libros (Día), is a celebration of children, families, and reading held annually on April 30. The celebration emphasizes the importance of literacy for children of all linguistic and cultural backgrounds.
Día is an enhancement of Children’s Day, which began in 1925. Children’s Day was designated as a day to bring attention to the importance and well-being of children. In 1996, nationally acclaimed children’s book author Pat Mora proposed linking the celebration of childhood and children with literacy to found El día de los niños/El día de los libros.
Check out this useful book list-
Dia de Los Ninos Book List
Visit this website, explaining Dia de Los Ninos
Website about Dia de Los Ninos