Every major religion has produced hundreds of offshoots. Although sometimes disparaged as cults or sects, these new religious movements are often culturally accepted and claim to promote a healthy and happy lifestyle. We may have heard of them, but many of us know little about them. For Christians, this makes it difficult for us to engage with their adherents wisely and well.Derek Cooper, a professor of global Christianity, delves into ten of the most historic, most prominent, and most recognizable new religious movements, focusing on ones with members whom people have a higher chance of meeting. Writing from a confessional yet compassionate Christian perspective, he provides an overview of religions such as Jainism, Nation of Islam, Mormonism, and Scientology—their origins, religious writings, beliefs, practices—and describes effective points of contact for Christians. Includes discussion questions and suggestions for further reading.