Can I just be absolutely sure, at the risk of insulting you, that you know what 'the Australian bush' is? You must if you're well into translating a book on Australia.
What is the chapter about? - ordinary contemporary people brawling in some outback pub and the bush ethics surrounding such fights; or the period of the bushranger and conflict with the police; or the shearers' strike and the fights that broke out between strikers and 'scabs' brought in from the cities.??