The Daniel Fast: Feed Yourself,Strengthen Your Spirit, and Renew Your Body. What if you could grow closer to God and improve your health in just 21 days? Susan Gregory, “The Daniel Fast Blogger,” has a plan to help you do just that. Widely recognized as the expert on this 21-day fast inspired by the book of Daniel, Susan has helped thousands of people discover a safe and healthy way to fast. The principles you learn from The Daniel Fast will change the way you view food, your body, and your relationship with the one who created you. Includes 21 days’ worth of Daniel Fast recipes!