Found 2 books

Objective-C for Absolute Beginners · iPhone, iPad, and Mac Programming Made Easy · 2nd Edition

[en] Objective-C for Absolute Beginners · iPhone, iPad, and Mac Programming Made Easy · 2nd Edition Apress

Gary Bennett, Mitch Fisher, Brad Lees

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Objective-C for Absolute Beginners · iPhone, iPad and Mac Programming Made Easy

[en] Objective-C for Absolute Beginners · iPhone, iPad and Mac Programming Made Easy Apress

Kaczmarek, Stefan & Lees, Brad & Bennett, Gary & Fisher, Mitch

download read it!