This is a werewolf tale, by the famous author of The Man in the Iron Mask, The Count of Monte Cristo, and The Three Musketeers.
"It is an exciting story of a diabolical pact; more than that it is an acute and merciless study of the corruption of a man's character by envy, and a colorful and ironic account of high and low life in rural eighteenth-century France. Like all Dumas stories it is lively, fast-moving, romantic without being sentimental, and always readable." ~ from the Introduction by L. Sprague de Camp
"Dumas's most successful supernatural work by far... an entertaining historical romance based on traditional legends of the werewolf."
An Author's Republic audio production.