Charley Maplewood has never been one for parties. That would require friends, which he doesn't have. But now that he's turning ten - the big one oh - he decides to throw a birthday party for himself, complete with a "House of Horrors" theme and a big birthday cake. Of course things don't work out as Charley plans. In trying to make friends, he ends up inviting the class bully Cougar to come, an…