"The Kings of Clonmel" is the sixth book in the popular Ranger's Apprentice series by John Flanagan. Set in the fictional kingdom of Araluen, the story follows the young ranger, Will Treaty, as he embarks on a mission to help the people of Clonmel, who are threatened by a ruthless warlord and his mercenaries. In this adventure, Will teams up with his friends, including Halt and Horace, to confront the challenges posed by the warlord's forces. The narrative explores themes of friendship, bravery, and the importance of standing up against tyranny, making it an engaging read for fans of fantasy literature.