'The Black Books 1913-1932', on which C. G. Jung based 'The Red Book', portray an internal journey of extraordinary intensity. It begins with the joy of returning to his lost or abandoned soul but then quickly descends into a series of combative interchanges with his soul and other inner characters. But what are these arguments about? And is this really his soul talking? In 'Black Book 6' he presses his soul to provide a glimpse into what lies...