I recently finished working on a book for O'Reilly Media about Titanium from Appcelerator.  It's a great product for creating native mobile apps for iOS, Android and Blackberry.  The book focuses on iOS and Android, as those platforms represent 90+% of the smartphones in use today.

If you want to find out more about this really nice tool, check it out at the link below.





http://shop.oreilly.com/product/0636920025528.do