This is a very late cover made long after both Twain and Pyle were dead. Before we get to the Harper's pictures here are a few of his illustrations...
Howard Pyle was a most popular illustrator in the late 19th and early 20th century. His work was often in magazines and many books. He did the work for Peter Pan and King Arthur in some of the early versions of these books. It has been said that he never let historic fact influence his art. So there was a lot of things that some have had issues with. But none the less he had quite an impact on his times and several books in which he worked on are amazingly still in print. I just happened to be browsing through a Harper's book I have and found some of these really interesting pieces from Pyle in 1901. They were issued in the January 1902 Harper's magazine.
Jan 1902
