The Book of Sand

SAND. A hostile world of burning sun. Outlines of several once-busy cities shimmer on the horizon, and in the distance a group of people - a family - walk towards us. Ahead lies shelter which they know they must reach before the light fails - as to be out after dark is to invite danger and almost certain death. To survive in this alien world of shifting sand, they must find an object hidden in or near water. But other families want it too. They are willing to fight for it. And you know that you may have to kill - just to say alive...