Hi Dev,
You ask a rather broad/vague question, since the answer will depend on your individual strengths, weaknesses and score goal. Beyond those points, you also have to be careful about assuming that books are all that you'll need to properly prepare for the Official GMAT. Many Test Takers who use a 'book heavy' study approach end up getting 'stuck' at a particular score level, so even if you have the 'perfect' set of books, you will likely need additional non-book resources.
All of that having
...
You ask a rather broad/vague question, since the answer will depend on your individual strengths, weaknesses and score goal. Beyond those points, you also have to be careful about assuming that books are all that you'll need to properly prepare for the Official GMAT. Many Test Takers who use a 'book heavy' study approach end up getting 'stuck' at a particular score level, so even if you have the 'perfect' set of books, you will likely need additional non-book resources.
All of that having
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