Muhammad of traditional Islam was an invention of a later Arab leader; or the Qur’an was not collected and written down until the early 8th century — and actually came from many sources, including Christian and Jewish liturgy? What if it turned out that the city of Petra in Northern Arabia was the birthplace of Islam, not Mecca, and that Mecca was only established as a city after the death of Muhammad? Perhaps the even greater question is, “how would Muslims react to these claims?” These questions are