The book "Is slavery approved by the Bible?" written by Isaac Allen is an important religious and philosophical work that explores the issue of slavery and its perception in the Bible. The author examines the sacred texts of various religious traditions, seeking an answer to the question of whether slavery can be justified or approved by religious sources. The book not only analyzes the text of the Bible, but also considers the historical and socio-cultural aspects of this problematic issue. Isaac Allen's reflections prompt the reader to further research and his own conclusions regarding the ethics and moral principles laid down in the holy texts.