Published 2011 by Perfection Learning.
Last Olympian Percy Jackson the Olympians Paperback
by Rick Riordan
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The greatest monster of all, the storm giant Typhon, is on the loose, wreaking havoc and destruction across the U.S. - while Kronos's army lays siege to Manhattan. Soon Percy Jackson must make the hardest choice of his life - a choice that will save or destroy the world.