Read what, exactly? When liberals talk about reading they mean liberal tripe. When I was a kid of about 10 years old and got into Ayn Rand I was discouraged doing so by the librarian, my teachers, and even my siblings (Yes, they are horribly liberal). I read the books anyway and learned far more about the world than my sisters reading Nancy Drew.
Read what, exactly?
That is a private matter between the parents of the child and the child-—the child to discover his/her reading preferences, and the parents to set boundaries, as needed, by which the child may indulge those preferences and to encourage the child to broaden his literary horizons the same way they broaden his culinary horizons.