The North American version (Northwestern University Press, 2010) is available from Amazon Canada:

http://www.amazon.ca/Memories-Eden-Journey-Through-Baghdad/dp/0810126346/ref=sr_1_1?ie=UTF8&qid=1307350623&sr=8-1

or from the university direct:

http://www.nupress.northwestern.edu/Title/tabid/68/ISBN/0-8101-2634-6/Default.aspx

The original British version (Forum Press, London, 2008) can be found on Amazon UK:

http://www.amazon.co.uk/Memories-Eden-Journey-Through-Baghdad/dp/0955709504/ref=sr_1_1?ie=UTF8&qid=1307350771&sr=8-1