Its a good book if your are already familiar with OOPS concepts or having experience in C++, Java etc. If you don't have any OOPS background then you will find its difficult to understand the explanations or else its a great book.

For new comers in OOPS I would recommend BIG NERD RANCH Objective-C.

If you are swift developer, and want to gain a deep knowledge of Objective C then this book will take you to whole next level of improvising your programming skills. Though the author says no need to have any programming skills but I recommend you will only be able to read this book if you have any basic programming experience like variables, loops, functions , classes, structures , pointers. You dont need a deep knowledge on these topics but basic knowledge. Although if you are a beginner, a...

I was looking for a nice book since ages so i can start development on ios, after searching lots of books finally order this one.. and to be frank this is the one which i was looking for...
all the basics about objective c is covered in this book.

This is the starter book for anyone who wants to be in iPhone programming. The writer introduces every concept in such an easy way with explanation to each example in such a lucid way, that you will grasp every concept of Objective-C very easily.

Honestly I can't rate it as either or bad. Cause I was unable to use this book. Nobody told me that this book is only for programmers who would program in C for Mac. I feel that this should have been mentioned in the description.

old edition

A very good book to get started with Objective C but to read this one u must have knowledge about C language otherwise u might found some difficulties.