== Try it ==
{{Messagebox|type=failure|text=This bookmarklet works only when you have selected a valid numeric ISBN (dashes and spaces are OK)}}Select ONLY the numeric portion of an ISBN. Do not include the letters "ISBN" The samples listed below also link to the internal ISBN handler of this website.
* Little Rabbit Foo Foo is ISBN 0671709682
* Free Culture is ISBN 1594200068