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vinijo
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There really isn't a huge difference between OG 12 and OG 13, other than the addition of the IR practice questions... and if you're applying fairly soon, the IR isn't going to have any real impact on admissions decisions. The publishers also removed about 160 questions (roughly 17% of the total) from the 12th edition and replaced them with new ones in the 13th.

So if you haven't bought anything yet, you might as well pick up the latest edition (13th), but if you already have the 12th, there's probably no harm in continuing to use it. And if you can find OG 14 in your local bookstore, please let me know, I'd love to get my hands on it. :wink:
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I suppose that the link hasn't been updated yet to reflect the newest version. The best option would be OG 13.
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Hi

Exactly the link was last updated in 2010. :shock:
It will be good if someone will update that link..
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