This introduction presents an overview of the key concepts discussed in the subsequent chapters of this book. The book examines why men procure sexual services. Based on empirical research conducted in the state of New South Wales (NSW), Australia between 2009 and 2011, it considers the contexts in which procurement takes place. The empirical research utilised both quantitative and qualitative research methodologies. This examination is based on a sample of 309 men who procure sexual services within the state of NSW in Australia, while those who sell sexual services were also included in the collection of empirical data. The book examines the procurement of female sexual services with a focus on the personal and social aspects of men who procure such services. The production of the qualitative data resulted in those interviewed being assigned a code name to assure anonymity. The codes are assigned to interviewees: Male procurer, Female sex worker, Clergy interviewee, Medic interviewee, Women's Collective Group.