This book investigates the socio-economic crisis that defined the relationship between the Victorian middle class and the urban poor in London after 1850. Gareth Stedman Jones, a distinguished historian, utilizes an extensive array of statistical data and primary documentary evidence to analyze the structural shifts in the labor market and housing sectors. He argues that the perceived threat of the 'outcast' population was a direct result of specific developmental crises rather than mere moral failure, providing a rigorous framework for understanding class friction in the nineteenth century.

Historians and sociologists frequently cite this work as a foundational text for understanding the structural causes of poverty in Victorian London. Readers often note the academic density of the prose, which provides a comprehensive and scholarly examination of the period's social dynamics.