""An Appeal to Conscience: America's Code of Caste, A Disgrace to Democracy"" is a book written by Kelly Miller that addresses the issue of caste in America. The book explores the history of caste in America and how it has affected different groups of people, including African Americans, Native Americans, and immigrants. Miller argues that America's code of caste is a disgrace to democracy, as it perpetuates inequality and injustice. The book also...