Kautsky's brochure "The Dictatorship of the Proletariat" is the most striking example of the most complete and most disgraceful bankruptcy of the Second International, which has long been discussed by all honest socialists in all countries.

The issue of the proletarian revolution is now practically on the agenda in a whole series of states. Therefore, it is necessary to analyze Kautsky's sophistries of betrayal and his total renunciation of Marxism.

[Excerpt from the text of the preface]