The Ethics of Killing is a thoughtful, technical, and compelling argument from first principles that human life is inviolable . Erk has sent into the arena of academic ethics a champion any brave contender will relish taking on. I do not think a better book on ethics has been written this century its quality secures its place on reading lists of philosophy and ethics courses for many years to come. (Toni Saad, The New Bioethics, October 25, 2023) The Ethics of Killing is a thoughtful, technical, and compelling argument from first principles that human life is inviolable . Erk has sent into the arena of academic ethics a champion any brave contender will relish taking on. I do not think a better book on ethics has been written this century its quality secures its place on reading lists of philosophy and ethics courses for many years to come. (Toni Saad, The New Bioethics, October 25, 2023)