Apple ipod

I want the programming language of iPhone applications should be used and what books should I buy?

I bought a book on development iPhone, but I can also buy a book on Objective-C applications to the iPhone or is the book on iPhone development enough? What languages I can use for iPhone?

stop wasting your money on books using google thousands of online text and video tutorials on the programming language Objective C is just Google to develop applications for the iPhone, which takes you to the official iPhone SDK tutorials site you have and tell the whole story

New iPhone Book