Nightmare Gnomes of Neary Heights

Things are not quite right in Neary Heights. People are going missing, garden gnomes seem to be multiplying and Stan could swear he hears the pitter-patter of tiny feet behind him when he walks through the neighbourhood. As Stan begins to wonder if these strange happenings are somehow related, all the garden gnomes take on screaming faces. Can he figure out what is going on with these nightmare gnomes before he it's too late?