With iOS recently supporting deployment of Flex-based applications, it has increased the number of compelling reasons to do the same. Let's face it, Objective-C is hard to learn if you are a seasoned Java/Flex developer like me. There are countless tutorials on the web for mobile development using Flex for Android and iOS. This book is one of a kind in the sense that it provides a neat step-by-step way of mastering the fundamentals of developing a nice iOS application with Flex.
This book stands out in the number of screenshots - there is virtually one on every page. The author has take great pains to explain each concept systematically. Chapter 1 starts off with the typical "Hello World" program which ends with simplifying the complex technique of importing the Apple key so you can develop and debug your precious iOS application. Chapter 2 talks about the different application layouts. Progressively the author goes on to talk about configuration settings, APIs, File System, interacting with the OS, and designing for iOS. The last chapter elaborates the process of publishing your spectacular iOS application to the App Store.
In my opinion, no book has made it as easy as this. The author has provided all the sample codes in a zip file on a website so you can save precious time typing out the code.