This book investigates the fundamental principles of yoga to provide a foundational understanding for individuals new to the practice or returning after a hiatus. Godfrey Devereux, an established authority in the field, utilizes his extensive experience to demystify the practice by explaining its mechanics and physiological effects. The text serves as a structured guide that bridges the gap between complex philosophical tradition and accessible physical application for the modern practitioner.

The text is regarded as a practical and accessible entry point for those seeking a clear, no-nonsense introduction to yoga fundamentals. Its focus on foundational mechanics and instructional clarity makes it a useful resource for practitioners who prioritize technical accuracy and structured learning.