Book notes: recent works on the promise and peril of genetic engineering [review of "Ageless bodies, happy souls: biotechnology and the pursuit of perfection," The New Atlantis: A Journal of Technology and Society 2003 Spring; (1): 9-28; Engineering and the Human Germline: An Exploration of the Science and Ethics of Altering the Genes We Pass to Our Children, edited by Gregory Stock and John Campbell; Brave New Worlds: Staying Human in the Genetic Future, by Bryan Appleyard; and Exploding the Gene Myth: How Genetic Information Is Produced and Manipulated by Scientists, Physicians, Employers, Insurance Companies, Educators, and Law Enforcers, by Ruth Hubbard and Elijah Wald]