Mark Twain, His Life And Work: A Biographical Sketch is a book written by Will M. Clemens in 1892. The book is a comprehensive biography of the famous American author and humorist, Mark Twain, also known as Samuel Langhorne Clemens. The author of the book, Will M. Clemens, was a distant cousin of Mark Twain.The book covers the life and career of Mark Twain, from his childhood in Missouri to his successful career as a writer, lecturer, and public figure...