Scientists assure us that humans can't live without water, and we don't even attempt it. But survival without God? Oh, we sip, we taste, but we're prone to go extended times without a good drink from the well of the Lord. And we pay the price for doing so. We shrink. We coil and re-coil against the world... organs harden... hearts harden. In this renewing and life-giving book, Max Lucado, leads us to the four essential nutrients needed by every soul.