Mysterious Stranger and Other Stories (version 2)
Author: first_name: Mark
last_name: Twain
Language: English
Year: 1916

The Mysterious Stranger-A Romance- is the final novel attempted by Mark Twain. It was worked on periodically from roughly 1890 up until 1910. The body of work is a serious social commentary by Twain addressing his ideas of the Moral Sense and the "damned human race". (Wikipedia and John Greenman)