Prof. Dr. Safa Lutfi Al-Alusi provides a scholarly exploration into the timeless principles of ratio and proportion. This essential work delves into how these foundational concepts are applied across art, design, and architecture. The book meticulously bridges the gap between abstract theory and tangible application, offering invaluable insights for students, academics, and professionals. Readers will discover how to harness these principles to create works of visual harmony, structural integrity, and enduring aesthetic appeal, making it an indispensable resource for anyone dedicated to the creative disciplines and understanding the mathematical beauty that underpins them.