Eugene Sue's 'The Iron Arrow-Head' is a historical novel that immerses readers in the turbulent world of medieval France. Set in 911 AD, the book follows the conflict between the native Gauls and the invading Franks, as well as the sudden arrival of the Northmen or Norsemen, who come to conquer and seek adventure. With its portrayal of the fierce battles and political intrigue, this novel captures the essence of a pivotal moment in European history.