2nd Edition Downloads - Last Updated June 10th, 2011
Enjoy the free book because of these people:
WordPress and Ajax - 2nd Edition - (PDF 3.1 MB)
WordPress and Ajax Code Samples - 2nd Edition - (ZIP 176 KB)
A print version is also available for sale for only $12.99 on Amazon.com.
Be sure to also check out the following resources after downloading the book: