In Association with Amazon
Books, DVDs, music, etc. - also Amazon UK
There is no Amazon Australia yet, but this associate page allows you to search for and buy books and other products from Amazon, Amazon UK, etc.
Some of the other Amazons may be difficult to use if your only language is English.
If you're looking for something to read, take a look at my own book reviews.
If you prefer to buy locally, my directory of Australian bookshops may be useful.
For free international shipping, try Book Depository or Wordery.