iOS 5 Essentials (repost)

Each chapter will take you through a new major feature of iOS 5. You will learn how to integrate each feature into your applications. If you ever wanted to learn about the latest features of iOS 5 and learn how to incorporate Twitter, iCloud and Core Image framework effects functionality into your applications, then this book is for you. You should have a good knowledge of programming experience with Objective-C, and have used Xcode 4. iPhone programming experience is not required.