Time Lag — Poul Anderson

HIGH TECH WAR -- AND HOW TO AVOID IT

The answer is simple: you would have peace? Then prepare for war. This wisdom is as old as armies. Yet after a few generations, the peace that was paid for with soldiers' blood comes to seem the normal thing, the ordinary thing, and the guardians of peace come to be the symbol of its opposite. That is the theme of the second volume in this series: in the future as in the past. you must guard your peace, or

THERE WILL BE WAR