A novel about tense work of specialists from a unique KGB unit. From a brainstorming session while preparing a secret operation to a real fight with a cunning enemy anywhere in the world—the path is possible only for brave and loyal professionals devoted to their work. The war in Vietnam is in full swing. To break the stubborn Asians, Americans devise a clever operation. One of the units disguises itself in vampire costumes and makes several raids into the jungles. The Viet Cong are paralyzed by fear—some are killed, some are captured. Rumors about the appearance of real evil spirits in the jungle spread quickly among the local population, and Vietnamese begin to refuse to fight. A KGB special forces unit “Don” led by Vyacheslav Bogdanov comes to their aid. Understanding how unusual the situation is, Soviet officers decide to use against the invaders a special “weapon”… “A. Tamonikov’s novels are about real men, for whom the concepts of valor, honor, and duty are not empty words.” — V. Kolychev. Total print run of A. Tamonikov’s books—over 10 million copies.