Book excerpt: Spinal Breathing Pranayama is one of the most important practices in all of yoga, producing positive effects in our health, wellbeing, and every aspect of our daily living. Moreover, this simple daily practice purifies and opens us to our ecstatic inner realms, taking us on an exciting journey to inner space. The consequences of this journey are as practical as they are profound. This book provides easy-to-read instructions for beginning and continuing with the practice of Spinal Breathing Pranayama, addressing in a surprising degree of detail the many experiences and questions that can come up. Yogani is the author of two landmark books on the world's most effective spiritual practices: Advanced Yoga Practices - Easy Lessons for Ecstatic Living, a comprehensive user-friendly textbook, and The Secrets of Wilder, a powerful spiritual novel. The AYP Enlightenment Series makes these profound practices available for the first time in a series of concise instruction books. Spinal Breathing Pranayama is the second book in the series.