A 530-page volume collects the Proceedings of a 2021 interdisciplinary study-seminar that was held in Rome under the sponsorship of the Pontifical Academy of Life. A public conversation over its ideas and proposals is a matter of necessity not discretion, because, for one thing, the book argues it is morally licit, under certain provisos, for infertile couples to use homologous techniques of “medically-assisted procreation.”