The book "Radical Party and Italian Radicalism" by Romolo Murri is a study of the radical movement in Italy. The author examines the history of the radical party, its influence on Italian society and politics. The book reveals the ideas of radicalism, its goals and objectives, as well as the role it played in the formation of Italy's political system. Romolo Murri examines in detail the ideology of radicalism, its supporters and opponents, as well as the impact of this movement on Italian society. The book makes an important contribution to the understanding of the history of the Italian political movement and its influence on the contemporary political situation in Italy.