A Hunger For God was written to help Christians understand the Biblical nature and purpose of fasting and prayer.

In this book, John Piper looks at the phenomena of religious, political, and health-based fasting, which occur around the world, and explains what makes Christian fasting unique. He then discusses the reasons and ways the Bible commends fasting to us. Ultimately, Piper asserts, fasting is a way of expressing to God that he is the supreme hunger of our hearts—that we are starving for him.

Download this book (PDF).