Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Fasting Can Change Your Life

This book was a great read. It provided excellent personal testimonies from men and women that serve God and have practiced fasting for a good amount of time. It helped me with some practical advice as well as encouragement in my spiritual walk w/ the Lord through fasting. Definitely something to read if you are thinking about fasting or practice fasting but need some encouragement.