1. A book suitable for concurrent use by a sighted person and a visually impaired person, comprising: at least one concordant page containing one or more conventional textual characters suitable for reading by a sighted person and one or more Braille characters corresponding to said textual characters, said textual and Braille characters being presented on the concordant page in a pattern such that each textual character is associated with its corresponding Braille character in a one-to-one relationship and such that each Braille character is embossed substantially directly below a corresponding textual character, wherein said pattern of said textual and Braille characters is presented in a first portion of said page, and wherein said concordant page further contains another copy of said textual characters in a second portion thereof, said second portion being sufficiently removed from said first portion so that a sighted person can read the text in said second portion while a visually impaired person is reading the Braille characters in said first portion.
3. The book of claim 1 , wherein said Braille characters comprise uncontracted (Grade 1) characters.