Thanks Brice, for bringing this bug to our attention. The WorldCat API will get it fixed, probably within the next release. Karen A. Coombs Product Manager OCLC Developer Network [log in to unmask] 281-886-0882 Skype: librarywebchic On Thu, Jun 9, 2011 at 3:02 PM, Brice Stacey <[log in to unmask]> wrote: > When I query OCLC's Search API with a blank ISBN, I always get The > Social Network's soundtrack. Anyone want to take a guess at why that is > so? Here is the URL. You'll need to plug in your own wskey. > > > > http://www.worldcat.org/webservices/catalog/content/isbn/?servicelevel=f > ull&wskey= > > > > I'm just surprised that it doesn't throw the usual "Record does not > exist" message. > > > > Brice Stacey > > >