<p>Compiled while Nelson Mandela was still in prison, 'In the Prison of His Day's is one of the earliest books about Mandela to have been published in the English language. 'This miscellany of writings was brought together to mark Nelson Mandela's seventieth birthday. Given that prison walls have surrounded him in his seventieth year, as in his fiftieth, and given his illness later in the year, no easy celebration can be indul...