In his bestselling book, The Language of God, Francis Collins-the director of the National Institutes of Health and the scientist who led the Human Genome Project-attempted to harmonize the findings of scientific research with Christian belief. In this response to Collins's work, fellow geneticist George C. Cunningham presents a point-by-point rebuttal of The Language of God, arguing that there is no scientifically acceptable evidence to support belief in a personal God and much that discredits it. Written with admirable clarity for the nonscientist, Decoding the Language of God covers much of the same ground addressed by Collins in his book: the origins of moral behavior, the difficulty of reconciling belief in a good God with the existence of evil.and anthropic coincidences as evidence of God as creator. Cunningham also devotes chapters to the unreliability of the Bible as a basis for belief; the conflict between naturalistic explanations of reality, which are anchored in scientific research, and supernatural interpretations, which are not; and the many difficulties in conceptualizing the origins of the universe in terms of a personal God. Unlike recent hostile attacks on religious belief, Cunningham's respectful, well-reasoned discussion will appeal to open-minded people across the whole spectrum of belief and unbelief.