Here is amazon's synopsis about the book titled Victory Despite Blindness:
Henry Wanyoike: Victory Despite Blindness is a story about Henry Wanyoke, a blind man who despite this was hardworking. It comes out that blindness is not absolute or final since he was able to see through his touch because he had a vision. This vision had propelled him to the top of the world. His achievements in the face of insurmountable odds serves as an inspiration to many who think that their existence is difficult.
Producer David Thompson was a producer of the book-based film "Mandela: Long Walk to Freedom."
Source material: Deadline.com