Landmarks of Scientfic Socialism: Anti-Dühring (German: Herrn Eugen Dührings Umwälzung der Wissenschaft, "Herr Eugen Dühring's Revolution in Science") is a book by Friedrich Engels, which was first published in German in 1878. It had previously been serialised in a periodical called Vorwärts. There were two other German editions during Engels' life. Anti-Dühring was first published in English translation in 1907.The work was perhaps Engels' most important contribution and development within Marxist theory.Eugen Dühring had previously created his own version of socialism, which was supposed to be a replacement for Marxism. This work was supposed to be a defence of Marxism against produced his own version of socialism, intended as a replacement for Marxism from Dühring's attack.