Sermons: The Life And Character Of John Brown; On Slavery And Its Hero-Victim; The Execution Of John Brown is a book written by John Gregory. This book is a collection of sermons that focus on the life and character of John Brown, a historical figure who played a significant role in the abolition of slavery in the United States. The book also delves into the issue of slavery and its impact on society, as well as the execution of John Brown and the...