This book is written by Arturo Fernandez Montoro.
This book is written for web dev guys, I guess, who wants to write native looking web applications for the iPhone. The book introduces a lot of frameworks to make life easier. the frameworks include native looking assets for user interface building, which you can call with just a line of code. This book also teaches the readers how to work with data using from SQL and AJAX.
Since this is a cookbook, it includes a lot of recipes that readers can copy and paste and revise.