The site we all know and love, Flash and Math, has just released a new book called
Flash and Math Applets: Learn by Example.  The book is filled with rich examples and offer the credibility to back them up.

Product Description:

The book illustrates the progression of ideas and techniques that will take a Flash developer from novice to pro with ActionScript 3 programming.  The book is unique in its approach of emphasizing the “timeline programming techniques” that have made Flash development accessible over the years.  Flash and Math also offers a step-by-step path to learning essential AS3 programming that is based on these popular tutorials.