Image provided via Smithsonian Open Access and the National Portrait Gallery. Original Artist unknown.
Twain started dictating an autobiography in 1870, but abandoned and restarted the project several times. His reminisces were published posthumously as he intended. Due to both his own wishes for a long embargo as well as copyright law, his complete autobiography was not published until 2010. It contains his ruminations and thoughts. It does not follow a conventional autobiography format.