BookkooB Search
   Searches a webpage for ISBNs and shows price details from UK or US online stores.
   http://www.bookkoob.net/bookmarklet.php

Bookmarklets
   Information on Bookmarklets and a collection for download.
   http://www.bookmarklets.com/

Bookmarklets - Browser Power
   Collection of bookmarklets and instructions on how to write them.
   http://subsimple.com/bookmarklets/

Bookmarklets for Opera
   Several downloads for the Opera Web browser.
   http://www.philburns.com/bookmarklets.html

Centricle: Favelets
   Personal collection of bookmarklets for Web development and search engines.
   http://centricle.com/tools/favelets/

Creating Bookmarklets
   JavaScript programming tutorial explaining how to create bookmarklets.
   http://www.webreference.com/js/column35/

Creating a Bookmarklet
   Basic introduction to utility browser scripts.
   http://javascript.about.com/library/weekly/aa101102a.htm

Jalarie: BookMarklets
   Several samples and a bookmarklet editor.
   http://spruce.flint.umich.edu/~jalarie/jaa_kcd.htm

LibraryLookup
   Tools for looking up catalog records from book-related sites.
   http://weblog.infoworld.com/udell/stories/2002/12/11/librarylookup.html

Sam-I-Am.com: Bookmarklets
   Sample tools for download.
   http://www.sam-i-am.com/work/bookmarklets/index.html

Squarefree Bookmarklets
   Information, resources, and several downloads.
   http://www.squarefree.com/bookmarklets/

WorldTimZone Bookmarklets
   A variety of bookmarklets including search engine, web development, and religion-related ones.
   http://www.worldtimzone.com/bookmarklets/