This is the first book devoted to the work of Peter Singer, one of the leaders of the practical ethics movement, and one of the most influential philosophers of the twentieth century.

Dale Jamieson is Henry L. Luce Professor in Human Dimensions of Global Change at Carleton College. He is the editor of Readings in Animal Cognition (1996) and Reflecting on Nature: Readings in Environmental Philosophy (1994). For nearly twenty years he taught at the University of Colorado, Boulder, and has also held visiting positions at Cornell, Monash University in Australia, and Oxford University. He works primarily in environmental philosophy, ethics, and philosophy of biology and mind.