The book "Slavery and the Slave Trade in Africa" by the famous author Henry M. Stanley is a study that draws attention to the problem of slavery and the slave trade in the African context. The author reveals the historical, social and economic aspects of this problem using primary sources and eyewitness accounts. The book goes from the ancient times of slavery in Africa to the modern forms of the slave trade, trying to analyze the roots, causes and consequences of this social phenomenon. "Slavery and the Slave Trade in Africa" is a significant contribution to social and historical scholarship that helps to better understand the complex issue of slavery on the continent.