“Lord of the Second Advent: A Rare Look Inside the Terrifying World of the Moonies" by Steve Kemperman delves into the Unification Church, often referred to as the Moonies. The book, published in 1982, explores the group's beliefs, practices, and impact, particularly during a time when they garnered significant attention and controversy. It is presented as an exposé, aiming to offer readers an understanding of the inner workings of the movement. The book likely covers the history and theology of the Unification Church, the leadership of Sun Myung Moon, and the experiences of its followers, while also touching on the controversies and criticisms surrounding the group.