A monotheistic religious tradition originating in 7th-century Arabia, now comprising approximately 1.8 billion adherents worldwide — encompassing a legal and ethical system derived from the Quran and the Hadith, a civilization that produced major advances in philosophy, mathematics, medicine, and the arts, and a diversity of practice and interpretation across fourteen centuries and dozens of distinct cultural contexts.
Islam is the second largest religion in the world and the fastest growing. It is also one of the most consistently misrepresented — reduced in popular discourse to either a monolith of 1.8 billion identical believers or a problem to be explained and managed. The scholarly tradition offers something more useful: a framework for understanding Islam as a historical phenomenon — its founding texts, its legal and theological diversity, its role in preserving and transmitting ancient knowledge, its internal debates, and its relationship to the political and economic worlds through which it has moved for fourteen centuries. That tradition begins with the observation that Islam, like all major religious traditions, is not one thing but many — a family of practices and interpretations unified by a core of shared commitments and divided by centuries of creative disagreement.