In the Nevada desert, an experiment has gone horribly wrong. A cloud of nanoparticles?micro-robots?has escaped from the laboratory. This cloud is self-sustaining and self-reproducing. It is intelligent and learns from experience. For all...

Whilst on a mission up the Volga, a representative of the ruler of Baghdad meets a Viking chieftain who has been summoned back to Scandinavia by his besieged relatives. The two men journey together northwards to engage in mortal combat...