Braille

Braille Bookstore - Large selection of books for children and adults. Also offers quick reference cheatsheets.
www.braillebookstore.com/

Seedlings Braille Books for Children - Offers children's books. Includes information on special projects, FAQs and related resources.
www.seedlings.org/

Valley Braille, Inc. - Transcriber of books, menus, sheet music, maps and math. Also offers a large inventory of Braille publications.
www.valleybraille.com/