The book “In Praise of Meanness” by Boris and Yegor Polomoshnov is a journey into the subtle world of the psychology of a scoundrel - an ancient, sophisticated and cunning creature who has been doing his tricky deeds from time immemorial. The goal of the authors of the book is to expose the methods of the skillful and tough game of a vile person. It is divided into many chapters that tell the reader about the creed of a scoundrel, his life principles of triumph over the drowning, about his cold equanimity and callousness. Quoting world writers and philosophers, the authors reveal the true desire of a vile person: to make another suffer, to gain by any means, to lie and ingratiate himself for the sake of his own greatness. The whole world is an arena for the eternal struggle of conscience and reason with meanness and stupidity, the outcome of which depends on us - this is the main idea of the authors. The book is dedicated to a wide range of readers, to everyone who wants to understand the science of exposing meanness and changing the world for the better.