"Christmas Comes but Once a Year: Showing What Mr. Brown Did, Thought, and Intended to Do, During That Festive Season" by John Leighton is a humorous tale that portrays the hijinks that ensue around Christmas time in 19th-century England. The book is full of witty, dry humor that has made it a Christmas classic for those who wish to read something light-hearted and charming around the holiday season.