"Modern French prisons: Bistres; Saint-Pelagie; Saint-Lazare; La Force; Conciergerie; Big and Little Rockets; Mazas; La Sante" is a research work by the famous British writer Arthur Griffiths, which is devoted to a detailed review of modern Gentiles in France at the end of the 19th century. The author examines the conditions of imprisonment, the regime, the system of punishments, as well as the psychological and physical effects that were noted in the mentioned institutions. The book is a valuable resource for a better understanding of criminal justice and the realities of the prison system in France at the beginning of the 20th century.