Thieves trying to steal the new weapon. Another rogue noble. Ancient Mother ill, perhaps dying. A Harunikai spy in the capital city. While Broadman and Associates set out to track down the spy, the new duke and duchess strive to fulfill the charge of the King; secure the new weapon. And once again, they become swept up in an adventure that brings the kingdom of Brauneheim to the brink of war. "the 13th Sister" is the third book in the Broadman and...