Spanish language edition of the classic textbook used in "Science of Mind" classes through out the world. Earnest Holmes' practical mysticism offers a greater understanding of metaphysical laws and provides spiritual insight, tools, practices, and strategies to enrich any life in profound and surprising ways, and ore than seven decades after its original publication, it continues to transform lives. Distilled from the great philosophies and religions of the world, Dr. Holmes' teaching stands the test of time. It presents a perspective of God that is as refreshing and contemporary today as it was when Holmes wrote this magnificent work.