About the book: 1939 / In the spring of 194... German fascists, together with their allies, the Poles, treacherously attack the USSR. The Red Army is successfully defending itself, stopping the enemy at the border and is about to launch a counteroffensive. The Nazis are preparing to fire at Soviet territory from carefully disguised nuclear batteries. To obtain accurate information about the location of these terrible weapons, a group of scouts is sent to the rear of the Germans. “Mimicrin” should help scouts get through unnoticed: a person covered with a solution of this powder becomes practically invisible...