This book draws on a wide range of fields, theories and thinkers to provide a complete introduction to the study of gender. Each entry presents a critical definition of its subjects, examining origins, usage and major contributors. Presented in A-Z format, it explores those terms most central to gender studies including: Agency, The body, Class, Disability, Femininities, Gender and development, Men, masculinity and masculinities, New reproductive technologies, Power and Representation.