Free E-Books on Learning Objective-C, the Programming Language of iOS and OSX

"Want to write apps for OSX, the iPhone or the iPad? You can learn JavaScript and use a frameworks like PhoneGap or Titanium. Or you can learn the official language of Apple operating systems: Objective-C. The debate over whether to build mobile apps in JavaScript or Objective-C is beyond the scope of this blog post. But if you want to learn Objective-C, these resources will get you started."

[via read write web]