fyi ... A sample chapter is available for download:
Chapter 4: Using the File System API (PDF Format) http://www.oreilly.com/catalog/9780596513917/chapter/ It is from this book: Apollo for Adobe Flex Developers Pocket Guide A Developer's Reference for Apollo's Alpha Release by Mike Chambers, Rob Dixon, Jeff Swartz http://www.oreilly.com/catalog/9780596513917/ It is a small format book, and only 144 pages. Amazon is taking Pre-Orders: http://www.amazon.com/Apollo-Adobe-Developers-Pocket-Guide/dp/0596513917/