Or, if you would prefer a permanent, hard copy (it won't take up much space on your bookshelf), it is available from the following online bookstores:
BookPal (the publishers) - for Australians only www.bookpal.com.au/StoreAdmin/Categories/PaperbackBlackWhiteSmallSizes/tabid/130/txtSearch/knowing/List/1/ProductID/10407/Default.aspx
Amazon Books: http://tinyurl.com/3j2cujz
The Book Depository (at present the cheapest): http://www.bookdepository.co.uk/Knowing-Me-Knowing-You-Ann-Johnstone/9781742840673
Koorong Books (for Australians only): http://www.koorong.com/search/product/view.jhtml?
code=9781742840673&ignoreCache=true