‘Amartya Sen’s monumental work has created new foundations for research, policy and action in a wide range of fields. This concise, lucid and lively book will be of immense value to anyone interested in Sen’s essential ideas.’Jean Drèze, Delhi School of Economics‘This is a real tour de force examination of key ideas championed by Amartya Sen. Well written and insightful, it’s a perfect introduction to one of the world’s greatest minds.’Thom Brooks, Professor of Law and Government and Dean of Durham Law School, Durham University