This hardback book from renowned Author Claude Lecouteux explores folktales, legends and historical accounts of the Mysterious Werewolf.
He covers beliefs and stories from early Greece to the post medieval age including the beliefs of the Norse and tales from France, Germany, Eastern Europe for individuals who were tried on suspicion of being werewolves and the personal records of people who's spouses could shapeshift into wolves.
If this inspires your curiosity, then this may be the book for you!