Is Islam a religion of peace or war? Is it amenable to reform? Why do so many Muslims seem to be drawn to extremism? And what do words like jihadism and fundamentalism really mean? In a world riven by misunderstanding and violence, Sam Harris--a famous atheist--and Maajid Nawaz--a former radical--demonstrate how two people with very different religious views can find common ground and invite you to join in an urgently needed conversation.