A Connecticut Yankee in King Arthur's Court is an 1889 novel by American humorist and writer Mark Twain. The book was originally titled A Yankee in King Arthur's Court. Some early editions are titled A Yankee at the Court of King Arthur. In the book, a Yankee engineer from Connecticut named Hank Morgan receives a severe blow to the head and is somehow transported in time and space to England during the reign of King Arthur.