Just found this and I wonder if any muslim can shed some light on this "perfect book."
Here is the link:
http://www.studytoanswer.net/islam/purearabic.html
Quote:In addition to Syraic, Dr. Mingana also discerned foreign words introduced into the Quranic vocabulary from Ethiopic, Persian, and Greek (all of which would have had representative influences in the Hijaz during Mohammed's time). While Mingana's work is somewhat dated now, and not every one of his claimed Syraic influences on the Qur'an seem plausible today4, his work was an important step in delving the foreign influences upon the Quranic evolution, and in the main, remains foundational to this day.
Here is the link:
http://www.studytoanswer.net/islam/purearabic.html