The Aliens of Valtrit
by John G. Bluck
After UK spy agency employee Gina Perelli peers through an espionage camera altered by an electrical surge, she and her MI7 boss see a dozen men executed by ray guns a world away. Gina and her partner, London policeman Colin Green, must capture a ray gun, the most important arms development since nuclear weapons. Gina and Colin follow a trail to a planet called Valtrit.