A Google search for ‘Danny Lyon’ produces more than eight million results in 0.30 seconds, yet the celebrated American photojournalist and filmmaker is little known in the UK. This superb, quixotic, bare-all memoir ought to change that. Starting in 1962, Lyon not only photographed the heroes of the US civil rights movement as staff photographer for the Student Non-Violent Coordinating Committee (SNCC, pronounced ‘snick’), but in a way was one of the heroes himself, risking jail, beatings and abuse.