you live in Australia you pay GST, but this is included in the price,
which also includes shipping. You can buy the book directly from this
site and pay via PayPal using
your bank account, debit or credit card.
A PayPal account is
actually required: when you click the Buy Now button below, look for
the 'Don't Have A Paypal Account?' section at the bottom left of the
page that comes up and click on 'continue'.