Samuel Langhorne Clemens, better known by his pen name Mark Twain, was an American author and humorist. He is noted for his novels Adventures of Huckleberry Finn (1885), called "the Great American Novel", and The Adventures of Tom Sawyer (1876).
Dogs have lots of options when it comes to their education. Some will learn basic etiquette to spend time with a family while others may learn skills to perform search and rescue work. There are many different types of training for dogs depending what their needs are. Here are some different kinds of dog training programs available.