amazon.com/exec/obidos/ASIN/0060514485 and then invoking
the bookmarklet to arrive at http://library.berkeley-public.org/search/i=0060514485,
you might be surprised to not turn up the book in question, especially since the Nobel Prize
winning poet spent the last 40 years of his life in Berkeley. It turns out that there are indeed
copies of Mil ??osz??™s book in the BPL, but they are a different edition with a different ISBN
(006019667X). See the following URL:
http://library.berkeley-public.org/search/i=006019667X
Different editions of a work have different ISBNs. Furthermore, it??™s not obvious how to
derive the ISBN of related editions.
In recognizing that the LibraryLookup bookmarklet, by using an ISBN to uniquely identify
a work, is not able to recognize various editions of a book, Udell has taken a number of different
approaches to overcome this limitation, all of which use the OCLC xISBN service, a web
service that returns a list of ISBNs that are associated with a submitted ISBN:11
??? The first is a Greasemonkey script that works on an Amazon page for a book. The script
first checks whether Udell??™s local library has a book with the same ISBN as the Amazon
book in question. If not, the script then queries the local library for any of the ISBNs
associated with the book, a listed generated by the xISBN service.12
??? The second extension is a port of the Greasemonkey script (which is tied to Firefox) to
something that works in Internet Explorer.
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