The National Library Service for the Blind and Print Disabled, part of the Library of Congress, is a free braille and talking book library service for people with temporary or permanent low vision, blindness, or a disability that prevents them from using regular print materials. Through a national network of cooperating libraries, NLS circulates books and magazines in braille or audio formats, that are instantly downloadable to a personal device or delivered by mail free of charge. One way NLS f