B.2 Flash and ActionScript Resources

ActionScript for Flash MX: The Definitive Guide, Second Edition: by Colin Moock (O'Reilly)
ActionScript Cookbook: by Joey Lott (O'Reilly)
Object-Oriented Programming with ActionScript: by Branden Hall and Samuel Wan (New Riders)

Branden Hall's blog on ActionScript, Flash MX, and related stuff: http://www.waxpraxis.org
A community of developers focused on the MX family of products, including Flash: http://www.communitymx.com
Tutorials and more: http://www.flashguru.co.uk
Great place for Flash components: http://www.flashcomponents.net
Tutorial on building your own component: http://www.flashcomponents.net/tutorials/triangle/triangle.html
More component tutorials: http://www.macromedia.com/devnet/flashmx