"The Irreplaceable Ruble" is a classic Ukrainian novel written by Ivan Nechuye-Levytskyi. In this work, the author reveals the difficult fate of a peasant family during the civil war in Ukraine. The main character, the peasant Ostap, finds himself in a situation of struggle for survival and dignity during military operations. Nechueu-Levytsky successfully combined social issues with the heroic struggle for freedom and justice. In this book, you can feel the spirit of the time when the Ukrainian people defended their rights and dignity in the midst of heavy military action. "The Unchangeable Ruble" is not only an artistic story, but also a deep philosophical creation that leaves a mark in the hearts of readers. This book helps to better understand Ukrainian history and culture, emphasizing the important values of fighting for one's native land."