About the book: year / The story takes place during the Great Patriotic War. The radio operator of one of the Soviet units accidentally receives a mysterious radiogram in German, in which someone warns about the bombing of a peaceful object in the Soviet rear by the Nazis. Who is this unknown friend?..The young German writer Heinz Müller (GDR) in the story “Night Signals” fascinatingly tells about one of the episodes of the struggle of German anti-fascists against the Nazis. Artist Georgy Malakov