More than those of any other living photographer, Sebasti?o Salgado's images of the world's poor stand in tribute to the human condition. His transforming photographs bestow dignity on the most isolated and neglected, from famine-stricken refugees in the Sahel to the indigenous peoples of South America. Workers is a global epic that transcends mere imagery to become an affirmation of the enduring spirit of working women and men. The book is an archaeological...