Greasemonkey Hacks is an invaluable compendium 100 ingenious hacks for power users who want to master Greasemonkey, the hot new Firefox extension that allows you to write scripts that alter the web pages you visit. With Greasemonkey, you can Это и многое другое вы найдете в книге Greasemonkey Hacks: Tips & Tools for Remixing the Web with Firefox (Hacks) (Mark Pilgrim)