Jainism evokes images of monks wearing face-masks to protect insects and mico-organisms from being inhaled. Or of Jains sweeping the ground in front of them to ensure that living creatures are not inadvertently crushed: a practice of non-violence so radical as to defy easy comprehension. Yet for all its apparent exoticism, Jainism is still little understood in the West. What is this mysterious philosophy which originated in the 6th century BCE, whose absolute requirement is vegetarianism, and which now commands a following of four million adherents both in its native India and diaspora communities across the globe?