The strength of this collection of essays is its careful consideration, from a variety of perspectives within the Catholic tradition, of the practice of embryo adoption. It approaches the question in an open and reasonable way by allowing proponents of diverse positions within the tradition. This method both sheds a great deal of light on the particular question and at the same time introduces the reader to the relevant general principles that guide Catholic moral thought.

At last, a comprehensive collection of essays that examines and advances ethical evaluations of the controversial and increasingly popular practice of embryo adoption. In the United States alone, 400,000 frozen embryos created for in vitro fertilization exist but are no longer desired for that purpose. What are we morally obliged or permitted to do about these spare embryos? More of their genetic parents are considering donating these embryos to others to gestate and raise. This practice is politically volatile (figuring in debates about embryonic stem cells) and medically and morally...