Chapter 2. ActionScript 3, XML, and E4X
Chapter 3. Hello Spark: primitives, components, FXG and MXML graphics, and even video
Chapter 4. Spark containers, view states, effects, and styling
Chapter 5. Halo Flex 4: Using DataGrid, Navigator Containers, and Popups
Chapter 6. Building user-friendly forms using Flex formatters and validators
Chapter 7. Cairngorm in Action: SocialStalkr (Twitter + Yahoo! Maps)
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