This edition has been revised and extended to include eleven new entries on Berlin, Chomsky, Derrida, Rorty and many others. Key features of this unique guide include: 170 entries from 96 contributors, many of whom are leading authorities in their field alphabetically arranged entries which include brief biographies, outlines of major ideas and suggestions for further reading coverage of Western and Third World political theorists as well as those who have influenced new movements based on the issues of ethnicity, gender and ecology a thematically organised index