The braille section of the Paths to Literacy site offers an overview, instructional strategies, pre-braille, tactile graphics, technology for braille readers, sources of print/braille books, tools for writing braille, braille production, and brailler repair. Users may post content, and there is also a forum for questions and answers related to braille literacy.
http://www.pathstoliteracy.org/overview-braille
http://www.pathstoliteracy.org/
By Tuong-Chau