Weirdo Halloween (Turtleback School & Library Binding Edition) (Goosebumps: Horrorland Special Edition (Pb))

FOR USE IN SCHOOLS AND LIBRARIES ONLY. Ordinary kids are being summoned to HorrorLand--but why? In this serialized adventure, readers will find themselves trapped in the theme park, which becomes more and more horrific with each book. Who--or what--is behind the evil plot to assemble these ki