Found in 1 comment on Hacker News
nickb · 2007-10-30 · Original thread
I am learning Obj-C and Cocoa right now and I'm using this book http://www.amazon.com/Cocoa-Programming-Mac-OS-X/dp/02017268...

It's excellent. I also found Apple's documentation quite good (Obj-C 2.0 stuff is great).

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