Life on the Mississippi by Mark Twain is his memoir about vital river life during the steamboat era and a remembrance of it after the Civil War. . Mark Twain (1835-1910) grew up Samuel Langhorne Clemens on the Mississippi River in the small town of Hannibal, Missouri. Twain was a journalist, essayist, and writer of short stories and novels. Mark Twain tells of his life on the river, humorous stories, and a glimpse of his life during his childhood. This Memoir displays a detailed account about how