The Earth War — Mack Reynolds

In the 21st century the nature of war has change - Atomic weapons, Bazookas and rockets, were all banned. Machine guns were just permissable. An the newest secret weapon? - A GLIDER East and West had managed an uneasy truce in the arms' race by banning all weapons developed after 1900. Yet small wars, waged in front of television cameras, were the means of settling industrial disputes. It was a crazy way of doing things...but it worked - until an ambitious Major upset the status quo, and threw the world's peace into deadly peril!