If you are looking for a Bible in its original languages, which are Hebrew and Greek, you should be able to find one in any Christian bookstore. This would be an unedited version since it is not a translation.
If you cannot read Hebrew and Greek and are looking for an English translation that is closest to the original, my recommendation is the New International Version (NIV). There is much debate as to which translation is the best. The NIV in most cases is very accurate. Once in a while the footnote is the better translation than the inline text.
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