All I want for Christmas is . . . a new GEEK GIRL story!Harriet Manners knows a lot about Christmas:She knows that every year Santa climbs down 91.8 million chimneys.She knows that Rudolph the red-nosed reindeer was almost definitely a girl.She knows that the first artificial Christmas trees were made out of goose feathers.But this Christmas is extra special for Harriet, because four days ago she ...