Thirty billion light years from the nearest service station and the inertial stabilizers cut out. You make a somewhat cryptic comment about used spaceship dealers. The warranty falls to the floor in the first shudder of turbulence as you hit the upper atmosphere of the emerald planet you are doomed to die on. The last planet scan before systems failure revealed that the planet consisted of forty billion mappable locations. In nine of them are vital fragments of your craft. Only by finding them can you ever hope to escape.