Any question need answering? Any book or film need debating? Any Paul Auster topic whatsoever
There are plenty of copies usually on Ebay. Try Ebay.com if co.uk doesn't show anything. Also Amazon.com has it I think
Tower.com has it as well. I think they ship internationally. http://www.tower.com/tower_search/search_1.cfm?keywords=i+thought+my+father+was+god