In a survival situation, the single most important thing you need to survive is water, not food. Fortunately, drinking water is available almost everywhere. You just need to know how to find it. In the absence of an obvious water source, did you know that you can collect water vapor from plants? That you shouldn't drink urine, blood, salt water, or sea ice? That you can purify large quantities of water without difficulty? Learn about these and other invaluable ways to find drinkable water from expert Don Mann. He covers chlorine and iodine tablets, solar stills, waterborne contaminants, and much more.