On that point, I want to say that I don't regard the book so much as an allegory (ignore the blurb on the back!), in the manner of Orwell's "Animal Farm", so much as a more indirect, strange metaphor. The fact of Australia's invasion by Europeans was for me resource material in creating an entirely imaginary world, one which is parallel rather than symbolic like a political cartoon. You can read much more into something like that, not to mention than fact that it's more universal if its not strapped to particular references. Hopefully an American, Asian or European reader, adult or child, can connect without necessarily knowing anything about Australian history.