From the front page of the book:
Vengeance smolders in the hearts of many. It sometimes takes only a little spark to flare back to an all-consuming rage. A Living Forgotten Realms adventure set in the Dalelands for characters levels 7-10. Final part of the "Byar's Seven" quest. The other parts are DALE1-2: Blades for Daggerdale, and DALE1-4: The Lady in Flames.