Freeglader was the ninth book in The Edge Chronicles, the ninth book chronologically, and the third book in the Rook trilogy. In this book, the Librarians journeyed from the crumbling city of Undertown to the Free Glades. Meanwhile, however, the Foundry Glade and the Goblin Nations were preparing to attack the Free Glades and enslave all of its residents. A massive battle took place, and the Free Glades were ultimately victorious.