Going to prison when you are not guilty and maintaining your spiritual strength is possible occasionally.

Formulating an overall strategy to fight injustice and absurdity in the most brutal prison and represent a change to the thinking of some criminals - is already inherent to the entrepreneur Peter Sage.

He accepts unjust judgment and trials as part of the Universe's plan. The mission to help and advise outside the prison is carried out behind bars.

How to achieve success when held in one of Britain's worst prisons, "Pentonville." And how you can give meaning to someone's life - Peter Sage tells in 11 consecutive letters written.