Biotechnologies already on the horizon will enable us to be smarter, have better memories, be stronger and quicker, live longer, be more resistant to diseases, and enjoy richer emotional lives. Allen Buchanan explores urgent ethical issues raised by these developments, about what it is to be human and what sort of society we should strive to have. A level-headed discussiion of ethical issues raised by prospects of biotechnological enhancement... A great deal of rhetoric is thrown about. What we need, and what the author brings, is clarity, dividing his analysis into eight sections on character, human nature, consequences, justice, potential abuses and the rish of a new eugenics.