The learners watch each lesson under the guidance and support of a teacher whilst working their way through anexercisebook prepared specifically for developing the basic techniques of reading and writing.
And it's interesting, you talked about in your bookanexercise that you did in school where you were asked to go through - what was it - King Lear and one other play to look for all of the references to blindness and eyes.
The prisoner is said to have developed an extreme fitness regime while in prison and has had a book published, advising how to exercise with minimal resources and space.