I doubt if it will be available in Australia. If I find out otherwise, I will certainly tell you. At the moment I'm not sure just how available it will even be in the USA. This publisher seems to be a bit slow about doing things like listing the book in
Books in Print. They just got around to mentioning it on their own website yesterday and they seem to have ended their statement about it in midsentence on that site:
http://www.pilbooks.com/general/index.cfm/book/3818