When Alcatraz and Grandpa Smedry make a pilgrimage to the Free Kingdom city of Crystallia, they are shocked to find the city under seige by the Evil Librarians--led by Alcatraz's own mother.

Fleeing from the ruins of New Undertown, Rook Barkwater and the librarian knights and Felix Lodd and his banderbear friends must lead the escaping population to a new life in the Free Glades.

Because twelve-year-old Lucy pretends to see monsters everywhere, no one believes her when she discovers that the librarian in charge of the summer reading program is a real one.

Having broken the Smedry Talents while saving the kingdom of Mokia from the Evil Librarian army, Alcatraz Smedry infiltrates the Highbrary as part of a desperate plan to save his comatose friend, Bastille.

A fur-covered book entitled Claws is loose in the city, and only the Librarian can stop it from claiming more victims.

Describes unusual mobile libraries found around the world.

On his thirteenth birthday, foster child Alcatraz Smedry receives a bag of sand which is immediately stolen by the evil Librarians who are trying to take over the world, and Alcatraz is introduced to his grandfather and his own special talent, and told that he must use it to save civilization.

"So I told you how Grandpa Smedry showed up at my house and said “Alcatraz, come with me to save the world!” . . . Well, this is the book where you find out how awesome I really am! I finally make it to the Free Kingdoms-lands outside of evil Librarian control (like where you live) . . . [E]veryone loves me there because I'm a celebrity! . . . Anyway, some bigwigs from the evil Librarians are in town trying to negotiate a peace treaty-and I don't...

Some books so evil that they must be imprisoned deep underground, but when the Librarian tries to dispose of one vile volume, he risks being buried alive in an eerie tower that holds a legendary secret.

"Lenora returns to the magical Library -- which holds every book ever known on its shelves. But she discovers the Library is under new management, its incredible rooms and corridors turned dark and sinister. She quickly connects with a secret resistance that's trying to free knowledge from the shadows threatening it. Her new friends introduce her to an ancient lost city, hang gliding, and mathematical beings larger than the universe itself. And they...