This book is badly out of date and will probably never be updated. You can find more up-to-date information on the Greasemonkey wiki.

Dive Into Greasemonkey

Teaching an old web new tricks

Introduction

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Dive Into Greasemonkey is a book about programming with Greasemonkey, a Firefox extension for customizing web pages. Read it online for free.

Confused already? Start with What is Greasemonkey?

Read later

Dive Into Greasemonkey is a free download, available in a variety of formats. The current version was published on May 9, 2005.