The book "Abolitionist Fanaticism in New York: A Speech by a Fugitive Prosperity from Baltimore at an Abolitionist Meeting in New York, May 11, 1847" by Frederick Douglass is an important historical document that documents the discussion of the issues of slavery and abolitionism that were relevant at the time. In this moving speech, fugitive Frederick Douglass himself speaks out against the system of slavery, revealing the terrible circumstances of his life and calling for the fight for freedom and equality. This work is not only a testimony to the terrible realities of slavery, but also a call to action and unity in the struggle for human rights, regardless of racial differences.