Darren Richardson & Rich Shupe 
ActionScript 3.0 Quick Reference Guide: For Developers and Designers Using Flash [PDF ebook] 
For Developers and Designers Using Flash CS4 Professional

"No matter what your background, the pages that follow will provide you with some excellent knowledge, insight, and even a little bit of wisdom in the realm of Flash and Action Script. Happy learning!"– Branden Hall, from the Foreword Written by Flash insiders with extensive knowledge of the technology, this guide is designed specifically to help Flash designers and developers make the leap from Action Script 2.0 to the new object-oriented Action Script 3.0 quickly and painlessly. Formatted so you can find any topic easily, Action Script 3.0 Quick Reference Guide explains:Object-oriented programming (OOP) concepts, such as packages and classes Action Script 3.0 features and player enhancements that improve performance Workflow differences between Action Script 2.0 and Action Script 3.0 including tools, code editing, component sets, and image and font rendering Where did it go? A guide to help you find familiar features in Action Script 3.0, such as global functions, operators, properties, and statements How do I? Step-by-step solutions for performing tasks with Action Script 3.0, including input, sound, video, display, events, text, and more Also included are overviews of Flash and Action Script features and workflows. Action Script 3.0 is a huge upgrade to Flash’s programming language — and this guide helps you upgrade your skills to match it.