It seems one can get the International Edition of the 4th edition from Abe Books at a greatly reduced price: http://www.abebooks.com/servlet/SearchResults?isbn

It seems one can get the International Edition of the 4th edition from Abe Books at a greatly reduced price: http://www.abebooks.com/servlet/SearchResults?isbn=0030105676&sts=t&x=0&y=0 http://www.abebooks.com/servlet/SearchResults?isbn=003010567...