The team faces off against Mr. Norse in a battle of otherworldly proportions.The stage is set for Mr. Norse's grand play in his quest to possess Codex Umbra, an encyclopedia of demons capable of destroying the world. The team is locked and loaded to foil his plot...but, as usual, even the best plans go awry and the team must be quick on their feet as Mr. Norse jumps through the looking glass and they having nothing left but to follow.This episode is brought to you by team-writer Max Gladstone who shows us that no matter how the battle is won or lost; the war wages on. This Episode continues the 16-part Serial, Bookburners, presented by Serial Box. From a team of writers, this collaborative effort unfolds an epic urban fantasy narrative across an entire season in weekly installments. Follow along as Sal learns the life changing lesson: some books have teeth. To learn more about Bookburners and find out how you can read the whole serial, check out SerialBox.com.