About the Technical Reviewer

images Marcus Zarra is the owner of Zarra Studios, where he builds Mac, iPhone, and iPad software for a wide variety of clients and customers. Outside of Apple, there are very few people with a better understanding of Core Data. He has not only written the book on Core Data—Core Data: Apple's API for Persisting Data on Mac OSX (Pragmatic Bookshelf, 2009)—he has also been doing iPhone, and now iPad, development as long as it has been possible to do so, and Mac programming for even longer. With Matt Long, Marcus is the co-author of the popular programming blog Cocoa Is My Girlfriend. Marcus is also a co-author (with Matt ...

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