The El Paso Public Library and Parks and Recreation will celebrate the 21st year of their Día de los Niños. Día de los Libros program will be on Saturday, April 29th from 10 AM to 4 PM at Washington Park. As always, there will be plenty of free activities, entertainment and books for all children and families that attend. Admission will be completely free. Free parking will be available at the El Paso County Coliseum. Sun Metro will provide free transportation on Sun Metro buses for all children age 6 to 18 years of age.