"Polish Uprisings of 1831 and 1863." - a historical book by Jorho Koskinen that examines two important events in the history of Poland: the Uprising of 1831 and the Uprising of 1863. The author talks about the causes of uprisings, their consequences and influence on the further development of the country. The book contains an in-depth analysis of the political, social and cultural aspects of these events, revealing the complexity and contradictions of internal Polish relations and inter-ethnic conflicts. Thanks to the clear style and successful selection of facts, the book will become a valuable source of knowledge for those interested in the history of Poland in the 19th century.