This book argues that there are several possible ways to harmonize the doctrine of original sin and human evolution, taking seriously both Scripture and science. "The question of the 'historical Adam' in the light of the teaching of the Bible in dialogue with evolutionary theory is one of the most pressing theological questions facing the church today. Hoorsma guides the reader through different possible scenarios of understanding that help the reader navigate the issues surrounding this important question. I wholeheartedly recommend this book to the church." "In When Did Sin Begin? Haarsma does not provide any one definitive answer, but only because, as this book makes clear, this question opens up a number of other important queries, each of which elicits a range of viable theological responses.