London Labor and the London Poor, Vol. 4 is a book by the prominent English journalist and sociologist Henry Mayhew about the life of the poor in London in the 19th century. In the fourth volume, the author examines various aspects of the lives of the poorest sections of the London population, analyzing their working conditions, living conditions and interactions with society. Meigue uses vivid memories and interviews with real people to help the reader better understand their problems and difficulties. This book has become an important document of the social history of London and helps to better grasp the complex aspects of social inequalities and the fight against poverty.