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.

Alcatraz Smedry is up against a whole army of Evil Librarians with only his friend Bastille, a few pairs of glasses, and an unlimited supply of exploding teddy bears to help him. This time, even Alcatraz's extraordinary talent for breaking things may not be enough to defeat the army of Evil Librarians and their giant librarian robots.

"So, remember how I told you that the evil Librarians who control your world are trying to take over all the countries they don't let you know about--the Free Kingdoms? In the last book (you've read the first three, right?) I, Alcatraz Smedry, foiled a plot that would have seen the rulers of those countries giving up the kingdom of Mokia for the promise of a cease-fire (which the Librarians totally would have broken in a few years). That means the...

Biblioden, founder of the Evil Librarians, is back to complete his goal of world domination and it is up to Bastille to lead the charge against him.