Agamben's vocabulary is both expansive and idiosyncratic, with words such as 'infancy', 'gesture' and 'profanation' given specific and complex meanings that can bewilder the new reader. Bringing together leading scholars in the field, including Steven DeCaroli (Goucher College, Baltimore), Justin Clemens (University of Melbourne), Claire Colebrook (Penn State) and Steven DeCaroli (Goucher College, Baltimore) the 150 entries explain the key concepts in Agamben's work and his relationship with other thinkers, from Aristotle to Aby Warburg.