As the Halloween moon rises,  Sheep are fixing up disguises . . .    What will happen when the sheep go trick-or-treating? Could there be wolves lurking in the woods, hoping to waylay them as they return home with their bags full of goodies? In crisp verse and whimsically eerie pictures, Nancy Shaw and Margot Apple tell the lively story of a remarkable Halloween adventure. Fans of this adventuresome flock of sheep will not want to miss this Halloween treat in board book format!