Delaware Library Access Services has provided books in Braille and audio books in accessible formats for the blind and physically handicapped residents of Delaware. DLAS is the Delaware regional branch of the National Library Service for the Blind and Physically Handicapped (NLS) of the Library of Congress. As such, DLAS has access to over 2,000 new titles recorded by the NLS each year. Currently the library has over 50,000 volumes, which comprise more than 36,000 different titles. The library has audio playback devices that are loaned to patrons to listen to audio books. All services of the DLAS (Delaware Library Access Services) are free to the patron. Materials are distributed through the US postal service and may be returned to the library postage free.