I got hit with a baseball right in the back of the skull, I saw two of everything for a week and I still had to carry a block of ice home every afternoon.
A satire on the social beliefs and the economic conditions of Europe at the time
Well I would say that one of the central themes in Ernest Shackleton's South can be analyzing the complexity of the fight between the individuals and the society along with its "norms", in a world where nature is somewhat relentless towards humans. Hope this helped.