This is The Awesome Power of Prayer and Fasting by Dr. George T. Crabb D. O. in eBook form. – Fasting is the most powerful spiritual discipline of all the Christian disciplines. Through fasting and prayer, the Holy Spirit can transform your life. In this book, Dr. George Crabb thoroughly explains the physical and spiritual benefits of fasting from a medical and Biblical viewpoint. He explains how our current world needs Christians to fast, and the Satanic tendency of some modern Bible versions to remove fasting from the Christian’s vocabulary.