This collection of 30 articles by scientists, ethicists, religious leaders, and legal experts explores the benefits and costs of cloning. Topics include: Playing God; Is Cloning the Salvation for Endangered Species? No Need for Marriage; Can You Xerox a Soul?; and A Million Michael Jacksons. A lucid introduction offers readers an essential overview and understanding of the development and process of cloning, and the editors evenhandedly represent all sides of this controversial subject.