John Bellamy Foster returns to the touchstones of anti-imperialist Marxist thought, found in the works of V. I. Lenin, Samir Amin, and others, in order to confront the rising denial of imperialism on the left. This worldview and its consequences, he writes, has troubling implications not only for the superexploited workers of the periphery, but for all of the workers of the world, and for the internationalist character of contemporary Marxism.