Robert Green Ingersoll (1833-1899) was an American politician and lecturer known for his adamant support of scientific and humanistic rationalism. He was a lawyer and Civil War veteran and turned to politics in 1867 as Illinois attorney general. He was known as “The Great Agnostic” for popularization of skepticism and scientific approach to Bible. Mistakes of Moses is a religion criticizing work by Robert G. Ingresoll. It covers the Old Testament, worshipped both by Jews and Christians. Author highlights the support of slavery, war, sexism and other similar things by this religious teaching. He asks a lot of questions about God and Devil and place of mankind in grand scheme of things, presented by religion. This book this book is priceless reading if you also ask such questions and seek for answers.