Book Reviews : I SPENT MY LIFE IN THE MINES: THE STORY OF JUAN ROJAS,BOLIVIAN TIN MINER By June Nash. Columbia University Press,New York,1992,390 pp.,US$56.50 (hardback) US$21.50 (paperback)

Book Reviews : I SPENT MY LIFE IN THE MINES: THE STORY OF JUAN ROJAS,BOLIVIAN TIN MINER By June Nash. Columbia University Press,New York,1992,390 pp.,US$56.50 (hardback) US$21.50 (paperback)