This book is the best Catholic introduction to the science of evolution. With its rich illustrations and easy to follow explanations, it is designed for true beginners, including college students and educated Catholics, who want to know more about evolution but demand faithfully Catholic material. Unlike many other books, it is not a book trying to offer a new or updated understanding of God; instead, it shows how when Catholics discover what the Church already teaches, they will welcome the teachings of evolution. Because it is written by a trained human geneticist and philosopher of science, the reader can trust that the science is rigorous and authentic. The bishop's foreword, the Imprimatur, and the many citations from Church authority demonstrate that the reader can trust the material to support, not undermine, Catholic faith.