What is to be done? This was the question asked by Lenin in 1901 when he was having doubts about the revolutionary capabilities of the Russian working class. 77 years later, Louis Althusser asked the same question. Faced with the tidal wave of May '68 and the recurrent hostility of the Communist Party towards the protests, he wanted to offer readers a succinct guide for the revolution to come. Lively, brilliant and engaged, this short text is wholly...