After being kidnapped by Mr. Chu, Atticus "Tick" Higginbottom and his friends Paul and Sofia must survive a series of tests in several different Realities.
When an all-consuming void from the Fourth Dimension opens up, unleashing monsters throughout the Realities, Mister George has one last weapon at his disposal--the mysterious and powerful Karma button, which might be even more dangerous than anyone imagined.
Mistress Jane has tapped into the universe's darkest secret to create the Blade of Shattered Hope, and in her quest to attain a utopian reality for the future of mankind she is ready to risk billions of lives to set her plan in motion.
Thirteen-year-old Atticus "Tick" Higginbottom begins receiving mysterious letters from around the world signed only "M.G., " and the clues contained therein lead him on a journey to the perilous 13th Reality and a confrontation with evil Mistress Jane.