The Gray Lensman is a space science fiction novel written by Edward Smith. In this book, the author shows the reader an exciting world of the future, where humanity enters into a struggle with the evil forces of the universe. The main character, Kimball Kimbron, receives the discovery of the functions of the Lensman - an elite military corps that fights threats from other galaxies. He becomes a key participant in the fight against intruders who seek to disturb the peace in outer space. In this book, the reader will encounter incredible military battles, space travel and difficult moral choices. "Grey Lensman" fascinates with its dynamics, plot and important questions raised by the author. This is a book that will leave an unforgettable impression on fans of science fiction and adventure genres.