"Anti-slavery alphabet" is an outstanding pedagogical manual that became a symbol of the anti-slavery movement in the 19th century. The author of the text is Anonymous, who uses the alphabet as a means of raising awareness about the injustice of slavery. Each letter is accompanied by an illustration that conveys the power and imagery of protest against slavery. The book helps children and adults to understand the absurdity of slavery and calls for deep reflection on the negative consequences of this phenomenon for society. "Anti-Slave Alphabet" is not only educational material, but also a powerful tool for the formation of humanistic values in society.