Dinosaurs Before Dark Jack and his younger sister, Annie, stumble upon a tree house filled with books. Before Jack and Annie can figure out the mystery of the tree house, it whisks them back to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark, or will they be become a dinosaur’s dinner? The Knight at Dawn Peacocks for dinner and boys in skirts. That’s what Jack and Annie find when the Magic Tree House transports them back to the Middle Ages for another wild adventure. They find themselves in the middle of an enormous castle and can hear the beginnings of a feast under way in the Great Hall. But Jack and Annie aren’t exactly welcome guests!Mummies in the Morning Jack and Annie don’t need another mummy.