Neither scientists alone nor theologians alone are responsible for the gap of misunderstanding and mistrust that exists between them. The Church is suspicious of modern technology, and certain of its spokesmen have contended that the knowledge of God cannot be found through the use of reason and patient scientific investigation. On the other hand, scientists have been hostile to religion, lacking an understanding of the nature of the Christian faith. Canon Smethurst, an Anglican clergyman who has been trained both in science and theology, attempts to show in this highly readable book that, so far from there being ground for any distrust and hostility on the part of true Christianity towards science, there is so close a connection between them that there ought to be mutual trust, understanding and cooperation between scientists and Christian theologians. But he has written the book also to face and discuss frankly the very real problems and difficulties which arise for Christian faiths in various fields of science, biological as well as physical or astronomical, and, for scientists, in some aspects of Christian teaching. Four appendices discuss modern philosophies arising from science. Scientists, theologians, teachers and students alike should welcome this book as a highly acceptable contribution to this vital field of human thought and living. It does not sacrifice scholarship for clarity, yet it can be understood by those who make no claim to be scholars.