Kir Bulychev (real name Igor Vsevolodovich Mozheiko) is the author of interesting science fiction stories and novels for children and adults, popular science books, and film scripts. He also writes detective stories, which contain both an exciting plot and an unexpected ending. The third volume of his Works includes two works. The action of the detective story “Sleep, Beauty” takes place in 1994. The main character prepares breakfast for her beloved early in the morning. She becomes an accidental witness to a shootout. Who was shot and why? It won’t be easy to figure it out... The novel “Death on the Floor Below” tells about the danger that any harmful production poses, about an environmental disaster that could have been prevented... Design by artists A. Akishin, I. Voronin.