The Void of Mist and Thunder (The Thirteenth Reality 4) - James Dashner

"HAVE YOU SEEN THIS BOY?
Atticus `Tick' Higginbottom
Realitant First Class
Last seen battling Mistress Jane outside the Factory; possibly injured, probably dead. Family seeking information on his whereabouts. Contact Master George at Grand Canyon HQ or the Higginbottoms of Reality Prime if you know anything.
Information on the Nonex also highly desirable."

From the author of The Maze Runner, James Dashners' The 13th Reality series is an exciting adventure that crosses the boundaries of realities. Young readers will find this an enticing introduction to the fantasy genre.