"Fifty Years in Chains; or, The Life of an American Slave" is a very important literary work written by Charles Ball, which tells about the terrible conditions of slavery in 19th century America. In the book, the author describes in detail his own experience as a slave, his suffering, and his struggle for survival in cruel conditions. "Fifty Years in Chains" makes readers think about deep social problems, human rights and justice. This book is an important monument in the history of the struggle for a free and just society.