What is the best book to learn ActionScript?

I want to buy a book to learn action script, if you know any, can you post here?

Thanks:cowboy:

Flash MX - Actionscripting - Advanced
Authors: Derek Franklin & Jobe Makar

very good!!

Wait for the upcoming book: Actionscripting For Flash MX, the best book so far, at the mid of december :), u could pre-order the book from [COLOR=red]here[/COLOR]

yours,
h88

Thanks :cowboy: