A bookmarklet is a JavaScript program stored as a URL in a Web browser's bookmarks. When you click on the bookmark, the program executes. Bookmarklets are powerful tools for automating most browser functions.
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LibraryLookup
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Tools for looking up catalog records from book-related sites.
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WorldTimZone Bookmarklets
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A variety of bookmarklets including search engine, web development, and religion-related ones.
3.
BookkooB Search
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Searches a webpage for ISBNs and shows price details from UK or US online stores.
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Bookmarklets
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Information on Bookmarklets and a collection for download.