Mark Twain (1835-1910) was an American writer, journalist, and publisher. Among his most famous novels are "The Adventures of Tom Sawyer" and its sequel, "The Adventures of Huckle-berry Finn." Most of his ? nest work includes many genres such as humor, satire, and philosophical ?ction. "Letters from the Earth" is the most critical work of Mark Twain, exposing church dogmas. The book shows a unique twist on the Satan's exile from heaven and his experiences on Earth. Once seeing human religions, he becomes amused at how strange and absurd their beliefs can be. He writes down his thoughts in the letters to Heaven. This book was created using print-on-demand technology.