. . "66527121" . "fifth book" . . "Prophecy of Gray" . . . . . "978-0-439-79144-1" . . . "The Code of Claw" . . . . . "Gregor and the Code of Claw" . . . . . . . . . . . "416" . . . . . . "Gregor and the Code of Claw" . . . "Prophecy of Time" . . "final book" .