وَإِذَا قَرَأْتَ الْقُرْآنَ جَعَلْنَا بَيْنَكَ وَبَيْنَ الَّذِينَ لَا يُؤْمِنُونَ بِالْآخِرَةِ حِجَابًا مَّسْتُورًا 
A Geographical History of the Qur'an Curiously enough, no serious attempt has been made to write a book on the geographical and historical background of the Qur'an with a view to proving the authenticity