Simplify the following text for a Grade 7 native English-speaking person.
Original: 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 .
Simplified: A Connecticut Yankee in King Arthur 's Court is a book written by Mark Twain , published in 1889 .