Mark Twain 
Roughing it 

Roughing It is a book of semi-autobiographical travel literature by Mark Twain.

It was written in 1870-71 and published in 1872, as a prequel to his first travel book The Innocents Abroad (1869).

The book follows the travels of young Mark Twain through the Wild West during the years 1861-1867.
(from wikipedia.org)

Sobre o autor

Samuel Langhorne Clemens (1835 – 1910), known by his pen name Mark Twain, was an American writer, humorist, entrepreneur, publisher, and lecturer.

His novels include The Adventures of Tom Sawyer (1876) and its sequel, the Adventures of Huckleberry Finn (1885), the latter often called ‘The Great American Novel’.
(from wikipedia.org)