Socialism Made Easy
James Connolly (1909)

AKA The Workshop Talks - Connolly's brilliant , witty and easy to understand introduction to the ideas of revolutionary socialism.

Socialism On Trial
James P. Cannon (1941)

Official record of the testimony of James P Cannon, on trial in the US in 1941 accused of sedition. Cannon was National Secretary of the US section of Trotsky's Fourth International.

Revolution and Counter-Revolution in Spain
Felix Murrow (1938)

The most decisive descriptive analysis available of the spanish revolution 1931-37. Reveals the treacherous role of Stalinism and the weaknesses of anarchism. Written by a member of the Spanish Bolshevik-Leninists (Fourth International).

Reform or Revolution?
Rosa Luxemburg (1900)

A Marxist classic which argues that revolutionary change, not social reformism, is the road to a socialist society. With a new introduction.

The Marxist View of History
Marx, Engels, Lenin & Trotsky

Various writings outlining the basics of a dialectical materialist approach to history.