Fuelled by anger at injustice and optimism about humankind's ability to make a better, truly communal society, the anarchist writings of Peter Kropotkin have influenced radicals the world over, from nineteenth-century workers to today's activists. One of twenty new books in the bestselling Penguin Great Ideas series. This new selection showcases a diverse list of thinkers who have helped shape our world today, from anarchists to stoics, feminists to prophets, satirists to Zen Buddhists.