The Dance of Time — Eric Flint; David Drake

THE BATTLE IS FOUGHT IN THE SIXTH CENTURY. THE VICTORY WILL BE FOR ALL TIME!

The Malwa and their inhuman evil have been driven back to their Indian heartland, but there they coil to strike again. Ruled 'by a monster from the future that is part computer and part demon, they prepare a fresh attack whose success will leave them rulers of the world -- and the monster that guides the Malwa will rule the whole future!

Belisarius, the greatest general of his age, has arrayed the forces of Mankind against the Malwa evil. On his breast is the jewel sent to his support from a future of hope and freedom, willing to guide him but never to direct his actions.

There is no hope for Mankind if he fails -- so he must not fail!