Slavery: Letters and Speeches is a collection of important letters and speeches by the famous abolitionist Horace Mann, who fought to end slavery in the United States of America. This book exposes readers to the moral, social, and political aspects of the slavery issue, reflecting the author's passions and convictions. Through Mann's letters and speeches, the reader learns the historical context and the role he played in the struggle for human rights. This book is an important document about the movement for the liberation of slaves and the great struggle for justice and dignity for every person.