E.C. Tubb 
World in Torment [EPUB ebook] 

Atomic war! Men had started the war, overriding the desires of their women and plunging the world into an orgy of destruction. Finally, when the vast armies of men had finally been shattered, women took over as rulers. Under successive Matriarchs, the world was slowly recovering, diverting the vast war potential to peaceful purposes. To keep the world free of war, the Matriarch employed official assassins under the chief of Security Police. It was felt that the death of one person was an acceptable price to preserve the lives of many. But when the Matriarch ordered the assassination of Don Burgarde, an apparently harmless young man, her personal secretary, Lyra, decided to intervene. The seeds of rebellion had been sown…