iPhone Advanced Projects (Books for Professionals by Professionals)

This is an interesting book. It has a number of chapters each of which covers a project or idea and then goes into some detail on how to write it. It is not a code heavy book and it's not a book about teaching advanced aspects of Cocoa Touch. Overall it's a good book but unless your specific needs are covered by one (or more) of the chapters it probably won't set your world alight.