Flex Certification eBooks

Here For those who do not like to buy expensive  books, there are lot of  ebooks which are free or available at a very low rates on the Internet which can be used to gain the required knowledge for flex certification.
Flex eBooks on Kindle

Flex 4 Cookbook
Real-world recipes for developing Rich Internet Applications
By Joshua Noble, Todd Anderson, Garth Braithwaite, Marco Casario, Rich Tretola, et al. Publisher: O’Reilly Media / Adobe Dev Library Released: May 2010 Pages: 768

Topics include:

• Using Spark Component
• Text Layout Framework
• Groups and Layout
• Spark List and ItemRenderer
• Images, bitmaps, videos, and sounds
• CSS, styling, and skinning
• States and Effects
• Working with Collections
• Using DataBinding
• Validation, formatting, and regular expressions
• Using Charts
• Services and Data Access
• Using RSLs and Modules
• Working with Adobe AIR 2.0

Available at http://oreilly.com/catalog/9780596805623/

http://livedocs.adobe.com/flex/3/devguide_flex3.pdf

Flex CookBook: http://www.adobe.com/cfusion/communityengine/index.cfm?event=homepage&productId=2

Video Training : http://www.adobe.com/devnet/flex/videotraining/

Getting Started & Flex Test Drives. Flex Development center http://www.adobe.com/devnet/flex/

http://cookbooks.adobe.com/flex