Mark Twain 
Life on the Mississippi 

Mark Twain — Life on the Mississippi (1883) is a memoir by Mark Twain of his days as a steamboat pilot on the Mississippi River before the American Civil War, and also a travel book, recounting his trip along the Mississippi River from St. Louis to New Orleans many years after the War.The book begins with a brief history of the river as reported by Europeans and Americans, beginning with the Spanish explorer Hernando de Soto in 1542.