In what mark twain novel is a blacksmith transported back to king Arthur time?

The Mark Twain novel where a blacksmith is transported back to King Arthur's time is A Connecticut Yankee in King Arthur's Court.

The protagonist, Hank Morgan, is a 19th-century American blacksmith who is struck on the head during a fight and wakes up in 6th-century Britain, believing himself to be in the time of King Arthur.